From: Bob Pearson <rpearsonhpe@gmail.com>
To: jgg@nvidia.com, zyjzyj2000@gmail.com, lizhijian@fujitsu.com,
linux-rdma@vger.kernel.org
Cc: Bob Pearson <rpearsonhpe@gmail.com>
Subject: [PATCH for-next 12/13] RDMA/rxe: Extend rxe_net.c to support xrc qps
Date: Fri, 16 Sep 2022 22:12:21 -0500 [thread overview]
Message-ID: <20220917031221.21293-1-rpearsonhpe@gmail.com> (raw)
Extend code in rxe_net.c to support xrc qp types.
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
drivers/infiniband/sw/rxe/rxe_net.c | 23 ++++++++++++++++-------
1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index d46190ad082f..d9bedd6fc497 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -92,7 +92,7 @@ static struct dst_entry *rxe_find_route(struct net_device *ndev,
{
struct dst_entry *dst = NULL;
- if (qp_type(qp) == IB_QPT_RC)
+ if (qp_type(qp) == IB_QPT_RC || qp_type(qp) == IB_QPT_XRC_INI)
dst = sk_dst_get(qp->sk->sk);
if (!dst || !dst_check(dst, qp->dst_cookie)) {
@@ -120,7 +120,8 @@ static struct dst_entry *rxe_find_route(struct net_device *ndev,
#endif
}
- if (dst && (qp_type(qp) == IB_QPT_RC)) {
+ if (dst && (qp_type(qp) == IB_QPT_RC ||
+ qp_type(qp) == IB_QPT_XRC_INI)) {
dst_hold(dst);
sk_dst_set(qp->sk->sk, dst);
}
@@ -386,14 +387,23 @@ static int rxe_send(struct sk_buff *skb, struct rxe_pkt_info *pkt)
*/
static int rxe_loopback(struct sk_buff *skb, struct rxe_pkt_info *pkt)
{
- memcpy(SKB_TO_PKT(skb), pkt, sizeof(*pkt));
+ struct rxe_pkt_info *new_pkt = SKB_TO_PKT(skb);
+
+ memset(new_pkt, 0, sizeof(*new_pkt));
+
+ /* match rxe_udp_encap_recv */
+ new_pkt->rxe = pkt->rxe;
+ new_pkt->port_num = 1;
+ new_pkt->hdr = pkt->hdr;
+ new_pkt->mask = RXE_GRH_MASK;
+ new_pkt->paylen = pkt->paylen;
if (skb->protocol == htons(ETH_P_IP))
skb_pull(skb, sizeof(struct iphdr));
else
skb_pull(skb, sizeof(struct ipv6hdr));
- if (WARN_ON(!ib_device_try_get(&pkt->rxe->ib_dev))) {
+ if (WARN_ON(!ib_device_try_get(&new_pkt->rxe->ib_dev))) {
kfree_skb(skb);
return -EIO;
}
@@ -412,7 +422,6 @@ int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
if ((is_request && (qp->req.state != QP_STATE_READY)) ||
(!is_request && (qp->resp.state != QP_STATE_READY))) {
- pr_info("Packet dropped. QP is not in ready state\n");
goto drop;
}
@@ -427,8 +436,8 @@ int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
return err;
}
- if ((qp_type(qp) != IB_QPT_RC) &&
- (pkt->mask & RXE_LAST_MASK)) {
+ if ((pkt->mask & RXE_REQ_MASK) && (pkt->mask & RXE_LAST_MASK) &&
+ (qp_type(qp) != IB_QPT_RC && qp_type(qp) != IB_QPT_XRC_INI)) {
pkt->wqe->state = wqe_state_done;
rxe_run_task(&qp->comp.task, 1);
}
--
2.34.1
next reply other threads:[~2022-09-17 3:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-17 3:12 Bob Pearson [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-09-17 3:10 [PATCH for-next 00/13] Implement the xrc transport Bob Pearson
2022-09-17 3:11 ` [PATCH for-next 12/13] RDMA/rxe: Extend rxe_net.c to support xrc qps Bob Pearson
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