X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fblock%2Faoe%2Faoenet.c;h=fdff774b8ab944421ad0190486e98cc4c5f458a5;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=cc1945b8d52bdaeb754363ed334f2ca8449cd342;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c index cc1945b8d..fdff774b8 100644 --- a/drivers/block/aoe/aoenet.c +++ b/drivers/block/aoe/aoenet.c @@ -7,6 +7,7 @@ #include #include #include +#include #include "aoe.h" #define NECODES 5 @@ -26,6 +27,19 @@ enum { }; static char aoe_iflist[IFLISTSZ]; +module_param_string(aoe_iflist, aoe_iflist, IFLISTSZ, 0600); +MODULE_PARM_DESC(aoe_iflist, "aoe_iflist=\"dev1 [dev2 ...]\"\n"); + +#ifndef MODULE +static int __init aoe_iflist_setup(char *str) +{ + strncpy(aoe_iflist, str, IFLISTSZ); + aoe_iflist[IFLISTSZ - 1] = '\0'; + return 1; +} + +__setup("aoe_iflist=", aoe_iflist_setup); +#endif int is_aoe_netif(struct net_device *ifp) @@ -36,7 +50,8 @@ is_aoe_netif(struct net_device *ifp) if (aoe_iflist[0] == '\0') return 1; - for (p = aoe_iflist; *p; p = q + strspn(q, WHITESPACE)) { + p = aoe_iflist + strspn(aoe_iflist, WHITESPACE); + for (; *p; p = q + strspn(q, WHITESPACE)) { q = p + strcspn(p, WHITESPACE); if (q != p) len = q - p; @@ -69,7 +84,7 @@ set_aoe_iflist(const char __user *user_str, size_t size) u64 mac_addr(char addr[6]) { - u64 n = 0; + __be64 n = 0; char *p = (char *) &n; memcpy(p + 2, addr, 6); /* (sizeof addr != 6) */ @@ -77,18 +92,6 @@ mac_addr(char addr[6]) return __be64_to_cpu(n); } -static struct sk_buff * -skb_check(struct sk_buff *skb) -{ - if (skb_is_nonlinear(skb)) - if ((skb = skb_share_check(skb, GFP_ATOMIC))) - if (skb_linearize(skb, GFP_ATOMIC) < 0) { - dev_kfree_skb(skb); - return NULL; - } - return skb; -} - void aoenet_xmit(struct sk_buff *sl) { @@ -105,23 +108,23 @@ aoenet_xmit(struct sk_buff *sl) * (1) len doesn't include the header by default. I want this. */ static int -aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt) +aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt, struct net_device *orig_dev) { struct aoe_hdr *h; - ulong n; + u32 n; - skb = skb_check(skb); - if (!skb) + skb = skb_share_check(skb, GFP_ATOMIC); + if (skb == NULL) return 0; - + if (skb_is_nonlinear(skb)) + if (skb_linearize(skb, GFP_ATOMIC) < 0) + goto exit; if (!is_aoe_netif(ifp)) goto exit; - - //skb->len += ETH_HLEN; /* (1) */ skb_push(skb, ETH_HLEN); /* (1) */ h = (struct aoe_hdr *) skb->mac.raw; - n = __be32_to_cpu(*((u32 *) h->tag)); + n = be32_to_cpu(h->tag); if ((h->verfl & AOEFL_RSP) == 0 || (n & 1<<31)) goto exit; @@ -132,7 +135,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt) if (net_ratelimit()) printk(KERN_ERR "aoe: aoenet_rcv: error packet from %d.%d; " "ecode=%d '%s'\n", - __be16_to_cpu(*((u16 *) h->major)), h->minor, + be16_to_cpu(h->major), h->minor, h->err, aoe_errlist[n]); goto exit; }