upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-08 16:22:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

cxgbe(4): Use the same buffer size for TOE rx queues as the NIC rx queues.

Browse source 
This is a minor simplification.

MFC after:	1 week
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2019-08-23 22:22:34 +00:00
parent d9cacf605e
commit 8bf3090312
1 changed files with 6 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
sys/dev/cxgbe/t4_sge.c
View file

@ -1112,26 +1112,12 @@ t4_teardown_adapter_queues(struct adapter *sc)
/* Maximum payload that can be delivered with a single iq descriptor */
static inline int
mtu_to_max_payload(struct adapter *sc, int mtu, const int toe)
mtu_to_max_payload(struct adapter *sc, int mtu)
{
int payload;
#ifdef TCP_OFFLOAD
if (toe) {
int rxcs = G_RXCOALESCESIZE(t4_read_reg(sc, A_TP_PARA_REG2));
/* Note that COP can set rx_coalesce on/off per connection. */
payload = max(mtu, rxcs);
} else {
#endif
/* large enough even when hw VLAN extraction is disabled */
payload = sc->params.sge.fl_pktshift + ETHER_HDR_LEN +
ETHER_VLAN_ENCAP_LEN + mtu;
#ifdef TCP_OFFLOAD
}
#endif
return (payload);
/* large enough even when hw VLAN extraction is disabled */
return (sc->params.sge.fl_pktshift + ETHER_HDR_LEN +
ETHER_VLAN_ENCAP_LEN + mtu);
}
int
@ -1201,7 +1187,7 @@ t4_setup_vi_queues(struct vi_info *vi)
* Allocate rx queues first because a default iqid is required when
* creating a tx queue.
*/
maxp = mtu_to_max_payload(sc, mtu, 0);
maxp = mtu_to_max_payload(sc, mtu);
oid = SYSCTL_ADD_NODE(&vi->ctx, children, OID_AUTO, "rxq",
CTLFLAG_RD, NULL, "rx queues");
for_each_rxq(vi, i, rxq) {
@ -1223,7 +1209,6 @@ t4_setup_vi_queues(struct vi_info *vi)
intr_idx = saved_idx + max(vi->nrxq, vi->nnmrxq);
#endif
#ifdef TCP_OFFLOAD
maxp = mtu_to_max_payload(sc, mtu, 1);
oid = SYSCTL_ADD_NODE(&vi->ctx, children, OID_AUTO, "ofld_rxq",
CTLFLAG_RD, NULL, "rx queues for offloaded TCP connections");
for_each_ofld_rxq(vi, i, ofld_rxq) {
@ -2194,7 +2179,7 @@ t4_update_fl_bufsize(struct ifnet *ifp)
struct sge_fl *fl;
int i, maxp, mtu = ifp->if_mtu;
maxp = mtu_to_max_payload(sc, mtu, 0);
maxp = mtu_to_max_payload(sc, mtu);
for_each_rxq(vi, i, rxq) {
fl = &rxq->fl;
@ -2203,7 +2188,6 @@ t4_update_fl_bufsize(struct ifnet *ifp)
FL_UNLOCK(fl);
}
#ifdef TCP_OFFLOAD
maxp = mtu_to_max_payload(sc, mtu, 1);
for_each_ofld_rxq(vi, i, ofld_rxq) {
fl = &ofld_rxq->fl;