diff options
Diffstat (limited to 'ring_rx.c')
| -rw-r--r-- | ring_rx.c | 17 |
1 files changed, 16 insertions, 1 deletions
@@ -58,6 +58,8 @@ static void setup_rx_ring_layout(int sock, struct ring *ring, size_t size, ring->layout.tp_frame_nr = ring->layout.tp_block_size / ring->layout.tp_frame_size * ring->layout.tp_block_nr; + +#ifdef HAVE_TPACKET3 if (v3) { /* Pass out, if this will ever change and we do crap on it! */ build_bug_on(offsetof(struct tpacket_req, tp_frame_nr) != @@ -70,6 +72,9 @@ static void setup_rx_ring_layout(int sock, struct ring *ring, size_t size, ring->layout3.tp_feature_req_word = 0; set_sockopt_tpacket_v3(sock); +#else + if (0) { +#endif /* HAVE_TPACKET3 */ } else { set_sockopt_tpacket_v2(sock); } @@ -80,11 +85,17 @@ static void setup_rx_ring_layout(int sock, struct ring *ring, size_t size, static void create_rx_ring(int sock, struct ring *ring, bool verbose) { int ret; +#ifdef HAVE_TPACKET3 bool v3 = get_sockopt_tpacket(sock) == TPACKET_V3; + size_t layout_size = v3 ? sizeof(ring->layout3) : sizeof(ring->layout); +#else + bool v3 = false; + size_t layout_size = sizeof(ring->layout); +#endif /* HAVE_TPACKET3 */ retry: ret = setsockopt(sock, SOL_PACKET, PACKET_RX_RING, &ring->raw, - v3 ? sizeof(ring->layout3) : sizeof(ring->layout)); + layout_size); if (errno == ENOMEM && ring->layout.tp_block_nr > 1) { ring->layout.tp_block_nr >>= 1; @@ -115,11 +126,15 @@ static void alloc_rx_ring_frames(int sock, struct ring *ring) { int num; size_t size; +#if HAVE_TPACKET3 bool v3 = get_sockopt_tpacket(sock) == TPACKET_V3; if (v3) { num = ring->layout3.tp_block_nr; size = ring->layout3.tp_block_size; +#else + if (0) { +#endif /* HAVE_TPACKET3 */ } else { num = ring->layout.tp_frame_nr; size = ring->layout.tp_frame_size; |