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Hide LRO code under #ifdef INET/INET6 to allow NOIP kernel to compile.

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While the code comments indicate that LRO is currently only supported
for IPv4/TCP, we'll still compile it in for IPv6.

MFC after:	3 days
This commit is contained in:
bz 2014-09-21 00:05:44 +00:00
parent e6285cbc7c
commit c09cc0a642
1 changed files with 12 additions and 1 deletions
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13
sys/dev/ixl/ixl_txrx.c
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@ -1085,10 +1085,12 @@ ixl_allocate_rx_data(struct ixl_queue *que)
int
ixl_init_rx_ring(struct ixl_queue *que)
{
struct rx_ring *rxr = &que->rxr;
#if defined(INET6) || defined(INET)
struct ixl_vsi *vsi = que->vsi;
struct ifnet *ifp = vsi->ifp;
struct rx_ring *rxr = &que->rxr;
struct lro_ctrl *lro = &rxr->lro;
#endif
struct ixl_rx_buf *buf;
bus_dma_segment_t pseg[1], hseg[1];
int rsize, nsegs, error = 0;
@ -1187,6 +1189,7 @@ skip_head:
rxr->bytes = 0;
rxr->discard = FALSE;
#if defined(INET6) || defined(INET)
/*
** Now set up the LRO interface:
*/
@ -1200,6 +1203,7 @@ skip_head:
rxr->lro_enabled = TRUE;
lro->ifp = vsi->ifp;
}
#endif
bus_dmamap_sync(rxr->dma.tag, rxr->dma.map,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
@ -1274,6 +1278,8 @@ ixl_free_que_rx(struct ixl_queue *que)
static __inline void
ixl_rx_input(struct rx_ring *rxr, struct ifnet *ifp, struct mbuf *m, u8 ptype)
{
#if defined(INET6) || defined(INET)
/*
* ATM LRO is only for IPv4/TCP packets and TCP checksum of the packet
* should be computed by hardware. Also it should not have VLAN tag in
@ -1293,6 +1299,7 @@ ixl_rx_input(struct rx_ring *rxr, struct ifnet *ifp, struct mbuf *m, u8 ptype)
if (tcp_lro_rx(&rxr->lro, m, 0) == 0)
return;
}
#endif
IXL_RX_UNLOCK(rxr);
(*ifp->if_input)(ifp, m);
IXL_RX_LOCK(rxr);
@ -1350,8 +1357,10 @@ ixl_rxeof(struct ixl_queue *que, int count)
struct ixl_vsi *vsi = que->vsi;
struct rx_ring *rxr = &que->rxr;
struct ifnet *ifp = vsi->ifp;
#if defined(INET6) || defined(INET)
struct lro_ctrl *lro = &rxr->lro;
struct lro_entry *queued;
#endif
int i, nextp, processed = 0;
union i40e_rx_desc *cur;
struct ixl_rx_buf *rbuf, *nbuf;
@ -1559,6 +1568,7 @@ next_desc:
rxr->next_check = i;
#if defined(INET6) || defined(INET)
/*
* Flush any outstanding LRO work
*/
@ -1566,6 +1576,7 @@ next_desc:
SLIST_REMOVE_HEAD(&lro->lro_active, next);
tcp_lro_flush(lro, queued);
}
#endif
IXL_RX_UNLOCK(rxr);
return (FALSE);