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path: root/drivers/infiniband/hw
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-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c2
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h3
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c82
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.h1
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c1
5 files changed, 37 insertions, 52 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 76049afc765..215bbe51047 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -833,7 +833,7 @@ int cxio_rdma_init(struct cxio_rdev *rdev_p, struct t3_rdma_init_attr *attr)
wqe->ird = cpu_to_be32(attr->ird);
wqe->qp_dma_addr = cpu_to_be64(attr->qp_dma_addr);
wqe->qp_dma_size = cpu_to_be32(attr->qp_dma_size);
- wqe->rsvd = 0;
+ wqe->irs = cpu_to_be32(attr->irs);
skb->priority = 0; /* 0=>ToeQ; 1=>CtrlQ */
return (cxgb3_ofld_send(rdev_p->t3cdev_p, skb));
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index ff7290eacef..c84d4ac4935 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -294,6 +294,7 @@ struct t3_rdma_init_attr {
u64 qp_dma_addr;
u32 qp_dma_size;
u32 flags;
+ u32 irs;
};
struct t3_rdma_init_wr {
@@ -314,7 +315,7 @@ struct t3_rdma_init_wr {
__be32 ird;
__be64 qp_dma_addr; /* 7 */
__be32 qp_dma_size; /* 8 */
- u32 rsvd;
+ u32 irs;
};
struct t3_genbit {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index b2faff5abce..7b8d5aaa220 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -515,7 +515,7 @@ static void send_mpa_req(struct iwch_ep *ep, struct sk_buff *skb)
req->len = htonl(len);
req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
V_TX_SNDBUF(snd_win>>15));
- req->flags = htonl(F_TX_IMM_ACK|F_TX_INIT);
+ req->flags = htonl(F_TX_INIT);
req->sndseq = htonl(ep->snd_seq);
BUG_ON(ep->mpa_skb);
ep->mpa_skb = skb;
@@ -566,7 +566,7 @@ static int send_mpa_reject(struct iwch_ep *ep, const void *pdata, u8 plen)
req->len = htonl(mpalen);
req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
V_TX_SNDBUF(snd_win>>15));
- req->flags = htonl(F_TX_IMM_ACK|F_TX_INIT);
+ req->flags = htonl(F_TX_INIT);
req->sndseq = htonl(ep->snd_seq);
BUG_ON(ep->mpa_skb);
ep->mpa_skb = skb;
@@ -618,7 +618,7 @@ static int send_mpa_reply(struct iwch_ep *ep, const void *pdata, u8 plen)
req->len = htonl(len);
req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
V_TX_SNDBUF(snd_win>>15));
- req->flags = htonl(F_TX_MORE | F_TX_IMM_ACK | F_TX_INIT);
+ req->flags = htonl(F_TX_INIT);
req->sndseq = htonl(ep->snd_seq);
ep->mpa_skb = skb;
state_set(&ep->com, MPA_REP_SENT);
@@ -641,6 +641,7 @@ static int act_establish(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
cxgb3_insert_tid(ep->com.tdev, &t3c_client, ep, tid);
ep->snd_seq = ntohl(req->snd_isn);
+ ep->rcv_seq = ntohl(req->rcv_isn);
set_emss(ep, ntohs(req->tcp_opt));
@@ -1023,6 +1024,9 @@ static int rx_data(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
skb_pull(skb, sizeof(*hdr));
skb_trim(skb, dlen);
+ ep->rcv_seq += dlen;
+ BUG_ON(ep->rcv_seq != (ntohl(hdr->seq) + dlen));
+
switch (state_read(&ep->com)) {
case MPA_REQ_SENT:
process_mpa_reply(ep, skb);
@@ -1060,7 +1064,6 @@ static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
struct iwch_ep *ep = ctx;
struct cpl_wr_ack *hdr = cplhdr(skb);
unsigned int credits = ntohs(hdr->credits);
- enum iwch_qp_attr_mask mask;
PDBG("%s ep %p credits %u\n", __FUNCTION__, ep, credits);
@@ -1072,30 +1075,6 @@ static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
ep->mpa_skb = NULL;
dst_confirm(ep->dst);
if (state_read(&ep->com) == MPA_REP_SENT) {
- struct iwch_qp_attributes attrs;
-
- /* bind QP to EP and move to RTS */
- attrs.mpa_attr = ep->mpa_attr;
- attrs.max_ird = ep->ord;
- attrs.max_ord = ep->ord;
- attrs.llp_stream_handle = ep;
- attrs.next_state = IWCH_QP_STATE_RTS;
-
- /* bind QP and TID with INIT_WR */
- mask = IWCH_QP_ATTR_NEXT_STATE |
- IWCH_QP_ATTR_LLP_STREAM_HANDLE |
- IWCH_QP_ATTR_MPA_ATTR |
- IWCH_QP_ATTR_MAX_IRD |
- IWCH_QP_ATTR_MAX_ORD;
-
- ep->com.rpl_err = iwch_modify_qp(ep->com.qp->rhp,
- ep->com.qp, mask, &attrs, 1);
-
- if (!ep->com.rpl_err) {
- state_set(&ep->com, FPDU_MODE);
- established_upcall(ep);
- }
-
ep->com.rpl_done = 1;
PDBG("waking up ep %p\n", ep);
wake_up(&ep->com.waitq);
@@ -1378,6 +1357,7 @@ static int pass_establish(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
PDBG("%s ep %p\n", __FUNCTION__, ep);
ep->snd_seq = ntohl(req->snd_isn);
+ ep->rcv_seq = ntohl(req->rcv_isn);
set_emss(ep, ntohs(req->tcp_opt));
@@ -1732,10 +1712,8 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
struct iwch_qp *qp = get_qhp(h, conn_param->qpn);
PDBG("%s ep %p tid %u\n", __FUNCTION__, ep, ep->hwtid);
- if (state_read(&ep->com) == DEAD) {
- put_ep(&ep->com);
+ if (state_read(&ep->com) == DEAD)
return -ECONNRESET;
- }
BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD);
BUG_ON(!qp);
@@ -1755,17 +1733,8 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
ep->ird = conn_param->ird;
ep->ord = conn_param->ord;
PDBG("%s %d ird %d ord %d\n", __FUNCTION__, __LINE__, ep->ird, ep->ord);
+
get_ep(&ep->com);
- err = send_mpa_reply(ep, conn_param->private_data,
- conn_param->private_data_len);
- if (err) {
- ep->com.cm_id = NULL;
- ep->com.qp = NULL;
- cm_id->rem_ref(cm_id);
- abort_connection(ep, NULL, GFP_KERNEL);
- put_ep(&ep->com);
- return err;
- }
/* bind QP to EP and move to RTS */
attrs.mpa_attr = ep->mpa_attr;
@@ -1783,16 +1752,29 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
err = iwch_modify_qp(ep->com.qp->rhp,
ep->com.qp, mask, &attrs, 1);
+ if (err)
+ goto err;
- if (err) {
- ep->com.cm_id = NULL;
- ep->com.qp = NULL;
- cm_id->rem_ref(cm_id);
- abort_connection(ep, NULL, GFP_KERNEL);
- } else {
- state_set(&ep->com, FPDU_MODE);
- established_upcall(ep);
- }
+ err = send_mpa_reply(ep, conn_param->private_data,
+ conn_param->private_data_len);
+ if (err)
+ goto err;
+
+ /* wait for wr_ack */
+ wait_event(ep->com.waitq, ep->com.rpl_done);
+ err = ep->com.rpl_err;
+ if (err)
+ goto err;
+
+ state_set(&ep->com, FPDU_MODE);
+ established_upcall(ep);
+ put_ep(&ep->com);
+ return 0;
+err:
+ ep->com.cm_id = NULL;
+ ep->com.qp = NULL;
+ cm_id->rem_ref(cm_id);
+ abort_connection(ep, NULL, GFP_KERNEL);
put_ep(&ep->com);
return err;
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.h b/drivers/infiniband/hw/cxgb3/iwch_cm.h
index 21a388c313c..6107e7cd9b5 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.h
@@ -175,6 +175,7 @@ struct iwch_ep {
unsigned int atid;
u32 hwtid;
u32 snd_seq;
+ u32 rcv_seq;
struct l2t_entry *l2t;
struct dst_entry *dst;
struct sk_buff *mpa_skb;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 714dddbc9a9..679b7c17927 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -732,6 +732,7 @@ static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
init_attr.qp_dma_addr = qhp->wq.dma_addr;
init_attr.qp_dma_size = (1UL << qhp->wq.size_log2);
init_attr.flags = rqes_posted(qhp) ? RECVS_POSTED : 0;
+ init_attr.irs = qhp->ep->rcv_seq;
PDBG("%s init_attr.rq_addr 0x%x init_attr.rq_size = %d "
"flags 0x%x qpcaps 0x%x\n", __FUNCTION__,
init_attr.rq_addr, init_attr.rq_size,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 18:56:07 +0000