#include <net/llc_pdu.h>
#include <net/llc.h>
-#include "llc_output.h"
static int llc_conn_ac_inc_vs_by_1(struct sock *sk, struct sk_buff *skb);
static void llc_process_tmr_ev(struct sock *sk, struct sk_buff *skb);
int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (llc->remote_busy_flag) {
u8 nr;
int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb)
{
- int rc = -ENOTCONN;
- u8 dsap;
- struct llc_sap *sap;
-
- llc_pdu_decode_dsap(skb, &dsap);
- sap = llc_sap_find(dsap);
- if (sap) {
- struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- llc_pdu_decode_sa(skb, llc->daddr.mac);
- llc_pdu_decode_da(skb, llc->laddr.mac);
- llc->dev = skb->dev;
- ev->ind_prim = LLC_CONN_PRIM;
- rc = 0;
- }
- return rc;
+ ev->ind_prim = LLC_CONN_PRIM;
+ return 0;
}
int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb)
reason = LLC_DISC_REASON_RX_DISC_CMD_PDU;
} else if (ev->type == LLC_CONN_EV_TYPE_ACK_TMR)
reason = LLC_DISC_REASON_ACK_TMR_EXP;
- else {
- reason = 0;
+ else
rc = -EINVAL;
- }
if (!rc) {
ev->reason = reason;
ev->ind_prim = LLC_DISC_PRIM;
int rc = 1;
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
switch (ev->type) {
case LLC_CONN_EV_TYPE_PDU:
LLC_U_PDU_CMD(pdu) == LLC_2_PDU_CMD_SABME) {
reason = LLC_RESET_REASON_REMOTE;
rc = 0;
- } else {
- reason = 0;
- rc = 1;
}
break;
case LLC_CONN_EV_TYPE_ACK_TMR:
if (llc->retry_count > llc->n2) {
reason = LLC_RESET_REASON_LOCAL;
rc = 0;
- } else
- rc = 1;
+ }
break;
}
if (!rc) {
int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock *sk,
struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (llc->data_flag == 2)
del_timer(&llc->rej_sent_timer.timer);
int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_disc_cmd(nskb, 1);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
llc_conn_ac_set_p_flag_1(sk, skb);
int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
u8 f_bit;
- nskb->dev = llc->dev;
llc_pdu_decode_pf_bit(skb, &f_bit);
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_dm_rsp(nskb, f_bit);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- u8 f_bit = 1;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_dm_rsp(nskb, f_bit);
+ llc_pdu_init_as_dm_rsp(nskb, 1);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int rc = -ENOBUFS;
struct sk_buff *nskb;
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
llc->rx_pdu_hdr = *((u32 *)pdu);
if (LLC_PDU_IS_CMD(pdu))
llc_pdu_decode_pf_bit(skb, &f_bit);
else
f_bit = 0;
- nskb = llc_alloc_frame();
+ nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS,
llc->vR, INCORRECT);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- u8 f_bit = 0;
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
struct llc_pdu_sn *pdu = (struct llc_pdu_sn *)&llc->rx_pdu_hdr;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS,
+ llc_pdu_init_as_frmr_rsp(nskb, pdu, 0, llc->vS,
llc->vR, INCORRECT);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
u8 f_bit;
int rc = -ENOBUFS;
struct sk_buff *nskb;
+ struct llc_sock *llc = llc_sk(sk);
llc_pdu_decode_pf_bit(skb, &f_bit);
- nskb = llc_alloc_frame();
+ nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS,
llc->vR, INCORRECT);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc;
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
llc_pdu_header_init(skb, LLC_PDU_TYPE_I, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_i_cmd(skb, 1, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
- if (!rc) {
+ if (likely(!rc)) {
llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
static int llc_conn_ac_send_i_cmd_p_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc;
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
llc_pdu_header_init(skb, LLC_PDU_TYPE_I, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
- if (!rc) {
+ if (likely(!rc)) {
llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc;
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
llc_pdu_header_init(skb, LLC_PDU_TYPE_I, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
- if (!rc) {
+ if (likely(!rc)) {
llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
u8 nr;
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (!rc)
+ if (likely(!rc))
llc_conn_send_pdu(sk, nskb);
else
kfree_skb(skb);
int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_rej_cmd(nskb, 1, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- u8 f_bit = 1;
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_rej_rsp(nskb, f_bit, llc->vR);
+ llc_pdu_init_as_rej_rsp(nskb, 1, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- u8 f_bit = 0;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_rej_rsp(nskb, f_bit, llc->vR);
+ llc_pdu_init_as_rej_rsp(nskb, 0, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_rnr_cmd(nskb, 1, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- u8 f_bit = 1;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_rnr_rsp(nskb, f_bit, llc->vR);
+ llc_pdu_init_as_rnr_rsp(nskb, 1, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- u8 f_bit = 0;
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_rnr_rsp(nskb, f_bit, llc->vR);
+ llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (!llc->remote_busy_flag) {
llc->remote_busy_flag = 1;
mod_timer(&llc->busy_state_timer.timer,
- jiffies + llc->busy_state_timer.expire * HZ);
+ jiffies + llc->busy_state_timer.expire);
}
return 0;
}
int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_rr_cmd(nskb, 1, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
u8 f_bit = 1;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_rr_rsp(nskb, f_bit, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- u8 f_bit = 1;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
- llc_pdu_init_as_rr_rsp(nskb, f_bit, llc->vR);
+ llc_pdu_init_as_rr_rsp(nskb, 1, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
struct llc_sap *sap = llc->sap;
if (llc->dev->flags & IFF_LOOPBACK)
dmac = llc->dev->dev_addr;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_sabme_cmd(nskb, 1);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, dmac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
llc_conn_set_p_flag(sk, 1);
{
u8 f_bit;
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
llc_pdu_decode_pf_bit(skb, &f_bit);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
nskb->dev = llc->dev;
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_ua_rsp(nskb, f_bit);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
int llc_conn_ac_start_p_timer(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
llc_conn_set_p_flag(sk, 1);
mod_timer(&llc->pf_cycle_timer.timer,
- jiffies + llc->pf_cycle_timer.expire * HZ);
+ jiffies + llc->pf_cycle_timer.expire);
return 0;
}
int llc_conn_ac_send_ack_if_needed(struct sock *sk, struct sk_buff *skb)
{
u8 pf_bit;
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
llc_pdu_decode_pf_bit(skb, &pf_bit);
llc->ack_pf |= pf_bit & 1;
llc->ack_must_be_send = 1;
llc->ack_pf = pf_bit & 1;
}
- if (((llc->vR - llc->first_pdu_Ns + 129) % 128) >= llc->npta) {
+ if (((llc->vR - llc->first_pdu_Ns + 1 + LLC_2_SEQ_NBR_MODULO)
+ % LLC_2_SEQ_NBR_MODULO) >= llc->npta) {
llc_conn_ac_send_rr_rsp_f_set_ackpf(sk, skb);
llc->ack_must_be_send = 0;
llc->ack_pf = 0;
struct sk_buff *skb)
{
int rc;
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
llc_pdu_header_init(skb, LLC_PDU_TYPE_I, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_i_cmd(skb, llc->ack_pf, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
- if (!rc) {
+ if (likely(!rc)) {
llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
*/
int llc_conn_ac_send_i_as_ack(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (llc->ack_must_be_send) {
llc_conn_ac_send_i_rsp_f_set_ackpf(sk, skb);
struct sk_buff *skb)
{
int rc = -ENOBUFS;
- struct sk_buff *nskb = llc_alloc_frame();
+ struct llc_sock *llc = llc_sk(sk);
+ struct sk_buff *nskb = llc_alloc_frame(sk, llc->dev);
if (nskb) {
- struct llc_opt *llc = llc_sk(sk);
struct llc_sap *sap = llc->sap;
- nskb->dev = llc->dev;
llc_pdu_header_init(nskb, LLC_PDU_TYPE_S, sap->laddr.lsap,
llc->daddr.lsap, LLC_PDU_RSP);
llc_pdu_init_as_rr_rsp(nskb, llc->ack_pf, llc->vR);
rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
- if (rc)
+ if (unlikely(rc))
goto free;
llc_conn_send_pdu(sk, nskb);
}
*/
static int llc_conn_ac_inc_npta_value(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (!llc->inc_cntr) {
llc->dec_step = 0;
llc->dec_cntr = llc->inc_cntr = 2;
++llc->npta;
- if (llc->npta > 127)
- llc->npta = 127 ;
+ if (llc->npta > (u8) ~LLC_2_SEQ_NBR_MODULO)
+ llc->npta = (u8) ~LLC_2_SEQ_NBR_MODULO;
} else
--llc->inc_cntr;
return 0;
*/
int llc_conn_ac_adjust_npta_by_rr(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (!llc->connect_step && !llc->remote_busy_flag) {
if (!llc->dec_step) {
*/
int llc_conn_ac_adjust_npta_by_rnr(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (llc->remote_busy_flag)
if (!llc->dec_step) {
*/
int llc_conn_ac_dec_tx_win_size(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
u8 unacked_pdu = skb_queue_len(&llc->pdu_unack_q);
- llc->k -= unacked_pdu;
- if (llc->k < 2)
- llc->k = 2;
+ if (llc->k - unacked_pdu < 1)
+ llc->k = 1;
+ else
+ llc->k -= unacked_pdu;
return 0;
}
*/
int llc_conn_ac_inc_tx_win_size(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
llc->k += 1;
- if (llc->k > 128)
- llc->k = 128 ;
+ if (llc->k > (u8) ~LLC_2_SEQ_NBR_MODULO)
+ llc->k = (u8) ~LLC_2_SEQ_NBR_MODULO;
return 0;
}
int llc_conn_ac_stop_all_timers(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
del_timer(&llc->pf_cycle_timer.timer);
del_timer(&llc->ack_timer.timer);
int llc_conn_ac_stop_other_timers(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
del_timer(&llc->rej_sent_timer.timer);
del_timer(&llc->pf_cycle_timer.timer);
int llc_conn_ac_start_ack_timer(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
- mod_timer(&llc->ack_timer.timer, jiffies + llc->ack_timer.expire * HZ);
+ mod_timer(&llc->ack_timer.timer, jiffies + llc->ack_timer.expire);
return 0;
}
int llc_conn_ac_start_rej_timer(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
mod_timer(&llc->rej_sent_timer.timer,
- jiffies + llc->rej_sent_timer.expire * HZ);
+ jiffies + llc->rej_sent_timer.expire);
return 0;
}
int llc_conn_ac_start_ack_tmr_if_not_running(struct sock *sk,
struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
if (!timer_pending(&llc->ack_timer.timer))
mod_timer(&llc->ack_timer.timer,
- jiffies + llc->ack_timer.expire * HZ);
+ jiffies + llc->ack_timer.expire);
return 0;
}
int llc_conn_ac_stop_p_timer(struct sock *sk, struct sk_buff *skb)
{
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
del_timer(&llc->pf_cycle_timer.timer);
llc_conn_set_p_flag(sk, 0);
int acked;
u16 unacked = 0;
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
- struct llc_opt *llc = llc_sk(sk);
+ struct llc_sock *llc = llc_sk(sk);
llc->last_nr = PDU_SUPV_GET_Nr(pdu);
acked = llc_conn_remove_acked_pdus(sk, llc->last_nr, &unacked);
}
if (unacked)
mod_timer(&llc->ack_timer.timer,
- jiffies + llc->ack_timer.expire * HZ);
+ jiffies + llc->ack_timer.expire);
} else if (llc->failed_data_req) {
u8 f_bit;
return 0;
}
-int llc_conn_ac_inc_vs_by_1(struct sock *sk, struct sk_buff *skb)
+static int llc_conn_ac_inc_vs_by_1(struct sock *sk, struct sk_buff *skb)
{
- llc_sk(sk)->vS = (llc_sk(sk)->vS + 1) % 128;
+ llc_sk(sk)->vS = (llc_sk(sk)->vS + 1) % LLC_2_SEQ_NBR_MODULO;
return 0;
}
-void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data)
+static void llc_conn_tmr_common_cb(unsigned long timeout_data, u8 type)
{
struct sock *sk = (struct sock *)timeout_data;
struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC);
if (skb) {
struct llc_conn_state_ev *ev = llc_conn_ev(skb);
- skb->sk = sk;
- ev->type = LLC_CONN_EV_TYPE_P_TMR;
+ skb_set_owner_r(skb, sk);
+ ev->type = type;
llc_process_tmr_ev(sk, skb);
}
bh_unlock_sock(sk);
}
-void llc_conn_busy_tmr_cb(unsigned long timeout_data)
+void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data)
{
- struct sock *sk = (struct sock *)timeout_data;
- struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC);
-
- bh_lock_sock(sk);
- if (skb) {
- struct llc_conn_state_ev *ev = llc_conn_ev(skb);
+ llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_P_TMR);
+}
- skb->sk = sk;
- ev->type = LLC_CONN_EV_TYPE_BUSY_TMR;
- llc_process_tmr_ev(sk, skb);
- }
- bh_unlock_sock(sk);
+void llc_conn_busy_tmr_cb(unsigned long timeout_data)
+{
+ llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_BUSY_TMR);
}
void llc_conn_ack_tmr_cb(unsigned long timeout_data)
{
- struct sock* sk = (struct sock *)timeout_data;
- struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC);
-
- bh_lock_sock(sk);
- if (skb) {
- struct llc_conn_state_ev *ev = llc_conn_ev(skb);
-
- skb->sk = sk;
- ev->type = LLC_CONN_EV_TYPE_ACK_TMR;
- llc_process_tmr_ev(sk, skb);
- }
- bh_unlock_sock(sk);
+ llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_ACK_TMR);
}
void llc_conn_rej_tmr_cb(unsigned long timeout_data)
{
- struct sock *sk = (struct sock *)timeout_data;
- struct sk_buff *skb = alloc_skb(0, GFP_ATOMIC);
-
- bh_lock_sock(sk);
- if (skb) {
- struct llc_conn_state_ev *ev = llc_conn_ev(skb);
-
- skb->sk = sk;
- ev->type = LLC_CONN_EV_TYPE_REJ_TMR;
- llc_process_tmr_ev(sk, skb);
- }
- bh_unlock_sock(sk);
+ llc_conn_tmr_common_cb(timeout_data, LLC_CONN_EV_TYPE_REJ_TMR);
}
int llc_conn_ac_rst_vs(struct sock *sk, struct sk_buff *skb)
git://git.onelab.eu / linux-2.6.git / blobdiff