X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fnetdev.c;h=4736a97e6e8d933b79f9bd38deae9ff31359c75d;hb=419681daf125576d25839eaefbb179b65e19c091;hp=e39d06f9549d38d3c1c92d70c2822de56e68aab8;hpb=f77917408a404d4660c6fb2cbe4d4c0f9f123cf2;p=sliver-openvswitch.git diff --git a/lib/netdev.c b/lib/netdev.c index e39d06f95..4736a97e6 100644 --- a/lib/netdev.c +++ b/lib/netdev.c @@ -24,20 +24,19 @@ #include #include -#include "connectivity.h" #include "coverage.h" #include "dpif.h" #include "dynamic-string.h" #include "fatal-signal.h" #include "hash.h" #include "list.h" +#include "netdev-dpdk.h" #include "netdev-provider.h" #include "netdev-vport.h" #include "ofpbuf.h" #include "openflow/openflow.h" #include "packets.h" #include "poll-loop.h" -#include "seq.h" #include "shash.h" #include "smap.h" #include "sset.h" @@ -90,6 +89,12 @@ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); static void restore_all_flags(void *aux OVS_UNUSED); void update_device_args(struct netdev *, const struct shash *args); +int +netdev_n_rxq(const struct netdev *netdev) +{ + return netdev->n_rxq; +} + bool netdev_is_pmd(const struct netdev *netdev) { @@ -118,6 +123,7 @@ netdev_initialize(void) netdev_register_provider(&netdev_tap_class); netdev_register_provider(&netdev_bsd_class); #endif + netdev_dpdk_register(); ovsthread_once_done(&once); } @@ -332,7 +338,15 @@ netdev_open(const char *name, const char *type, struct netdev **netdevp) memset(netdev, 0, sizeof *netdev); netdev->netdev_class = rc->class; netdev->name = xstrdup(name); + netdev->change_seq = 1; netdev->node = shash_add(&netdev_shash, name, netdev); + + /* By default enable one rx queue per netdev. */ + if (netdev->netdev_class->rxq_alloc) { + netdev->n_rxq = 1; + } else { + netdev->n_rxq = 0; + } list_init(&netdev->saved_flags_list); error = rc->class->construct(netdev); @@ -340,7 +354,7 @@ netdev_open(const char *name, const char *type, struct netdev **netdevp) int old_ref_cnt; atomic_add(&rc->ref_cnt, 1, &old_ref_cnt); - seq_change(connectivity_seq_get()); + netdev_change_seq_changed(netdev); } else { free(netdev->name); ovs_assert(list_is_empty(&netdev->saved_flags_list)); @@ -514,15 +528,16 @@ netdev_parse_name(const char *netdev_name_, char **name, char **type) * Some kinds of network devices might not support receiving packets. This * function returns EOPNOTSUPP in that case.*/ int -netdev_rxq_open(struct netdev *netdev, struct netdev_rxq **rxp) +netdev_rxq_open(struct netdev *netdev, struct netdev_rxq **rxp, int id) OVS_EXCLUDED(netdev_mutex) { int error; - if (netdev->netdev_class->rxq_alloc) { + if (netdev->netdev_class->rxq_alloc && id < netdev->n_rxq) { struct netdev_rxq *rx = netdev->netdev_class->rxq_alloc(); if (rx) { rx->netdev = netdev; + rx->queue_id = id; error = netdev->netdev_class->rxq_construct(rx); if (!error) { ovs_mutex_lock(&netdev_mutex); @@ -1633,3 +1648,9 @@ restore_all_flags(void *aux OVS_UNUSED) } } } + +uint64_t +netdev_get_change_seq(const struct netdev *netdev) +{ + return netdev->change_seq; +}