Lines Matching +full:smc +full:- +full:id
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
5 * Monitoring SMC transport protocol sockets
20 #include <net/smc.h>
22 #include "smc.h"
32 return (struct smc_diag_dump_ctx *)cb->ctx; in smc_dump_context()
37 struct smc_sock *smc = smc_sk(sk); in smc_diag_msg_common_fill() local
40 r->diag_family = sk->sk_family; in smc_diag_msg_common_fill()
41 sock_diag_save_cookie(sk, r->id.idiag_cookie); in smc_diag_msg_common_fill()
42 if (!smc->clcsock) in smc_diag_msg_common_fill()
44 r->id.idiag_sport = htons(smc->clcsock->sk->sk_num); in smc_diag_msg_common_fill()
45 r->id.idiag_dport = smc->clcsock->sk->sk_dport; in smc_diag_msg_common_fill()
46 r->id.idiag_if = smc->clcsock->sk->sk_bound_dev_if; in smc_diag_msg_common_fill()
47 if (sk->sk_protocol == SMCPROTO_SMC) { in smc_diag_msg_common_fill()
48 r->id.idiag_src[0] = smc->clcsock->sk->sk_rcv_saddr; in smc_diag_msg_common_fill()
49 r->id.idiag_dst[0] = smc->clcsock->sk->sk_daddr; in smc_diag_msg_common_fill()
51 } else if (sk->sk_protocol == SMCPROTO_SMC6) { in smc_diag_msg_common_fill()
52 memcpy(&r->id.idiag_src, &smc->clcsock->sk->sk_v6_rcv_saddr, in smc_diag_msg_common_fill()
53 sizeof(smc->clcsock->sk->sk_v6_rcv_saddr)); in smc_diag_msg_common_fill()
54 memcpy(&r->id.idiag_dst, &smc->clcsock->sk->sk_v6_daddr, in smc_diag_msg_common_fill()
55 sizeof(smc->clcsock->sk->sk_v6_daddr)); in smc_diag_msg_common_fill()
64 if (nla_put_u8(skb, SMC_DIAG_SHUTDOWN, sk->sk_shutdown)) in smc_diag_msg_attrs_fill()
67 r->diag_uid = from_kuid_munged(user_ns, sock_i_uid(sk)); in smc_diag_msg_attrs_fill()
68 r->diag_inode = sock_i_ino(sk); in smc_diag_msg_attrs_fill()
77 struct smc_sock *smc = smc_sk(sk); in __smc_diag_dump() local
83 nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, in __smc_diag_dump()
84 cb->nlh->nlmsg_type, sizeof(*r), NLM_F_MULTI); in __smc_diag_dump()
86 return -EMSGSIZE; in __smc_diag_dump()
90 r->diag_state = sk->sk_state; in __smc_diag_dump()
91 if (smc->use_fallback) in __smc_diag_dump()
92 r->diag_mode = SMC_DIAG_MODE_FALLBACK_TCP; in __smc_diag_dump()
93 else if (smc_conn_lgr_valid(&smc->conn) && smc->conn.lgr->is_smcd) in __smc_diag_dump()
94 r->diag_mode = SMC_DIAG_MODE_SMCD; in __smc_diag_dump()
96 r->diag_mode = SMC_DIAG_MODE_SMCR; in __smc_diag_dump()
97 user_ns = sk_user_ns(NETLINK_CB(cb->skb).sk); in __smc_diag_dump()
101 fallback.reason = smc->fallback_rsn; in __smc_diag_dump()
102 fallback.peer_diagnosis = smc->peer_diagnosis; in __smc_diag_dump()
106 if ((req->diag_ext & (1 << (SMC_DIAG_CONNINFO - 1))) && in __smc_diag_dump()
107 smc->conn.alert_token_local) { in __smc_diag_dump()
108 struct smc_connection *conn = &smc->conn; in __smc_diag_dump()
110 .token = conn->alert_token_local, in __smc_diag_dump()
111 .sndbuf_size = conn->sndbuf_desc ? in __smc_diag_dump()
112 conn->sndbuf_desc->len : 0, in __smc_diag_dump()
113 .rmbe_size = conn->rmb_desc ? conn->rmb_desc->len : 0, in __smc_diag_dump()
114 .peer_rmbe_size = conn->peer_rmbe_size, in __smc_diag_dump()
116 .rx_prod.wrap = conn->local_rx_ctrl.prod.wrap, in __smc_diag_dump()
117 .rx_prod.count = conn->local_rx_ctrl.prod.count, in __smc_diag_dump()
118 .rx_cons.wrap = conn->local_rx_ctrl.cons.wrap, in __smc_diag_dump()
119 .rx_cons.count = conn->local_rx_ctrl.cons.count, in __smc_diag_dump()
121 .tx_prod.wrap = conn->local_tx_ctrl.prod.wrap, in __smc_diag_dump()
122 .tx_prod.count = conn->local_tx_ctrl.prod.count, in __smc_diag_dump()
123 .tx_cons.wrap = conn->local_tx_ctrl.cons.wrap, in __smc_diag_dump()
124 .tx_cons.count = conn->local_tx_ctrl.cons.count, in __smc_diag_dump()
127 *(u8 *)&conn->local_tx_ctrl.prod_flags, in __smc_diag_dump()
129 *(u8 *)&conn->local_tx_ctrl.conn_state_flags, in __smc_diag_dump()
130 .rx_prod_flags = *(u8 *)&conn->local_rx_ctrl.prod_flags, in __smc_diag_dump()
132 *(u8 *)&conn->local_rx_ctrl.conn_state_flags, in __smc_diag_dump()
134 .tx_prep.wrap = conn->tx_curs_prep.wrap, in __smc_diag_dump()
135 .tx_prep.count = conn->tx_curs_prep.count, in __smc_diag_dump()
136 .tx_sent.wrap = conn->tx_curs_sent.wrap, in __smc_diag_dump()
137 .tx_sent.count = conn->tx_curs_sent.count, in __smc_diag_dump()
138 .tx_fin.wrap = conn->tx_curs_fin.wrap, in __smc_diag_dump()
139 .tx_fin.count = conn->tx_curs_fin.count, in __smc_diag_dump()
146 if (smc_conn_lgr_valid(&smc->conn) && !smc->conn.lgr->is_smcd && in __smc_diag_dump()
147 (req->diag_ext & (1 << (SMC_DIAG_LGRINFO - 1))) && in __smc_diag_dump()
148 !list_empty(&smc->conn.lgr->list)) { in __smc_diag_dump()
149 struct smc_link *link = smc->conn.lnk; in __smc_diag_dump()
152 .role = smc->conn.lgr->role, in __smc_diag_dump()
153 .lnk[0].ibport = link->ibport, in __smc_diag_dump()
154 .lnk[0].link_id = link->link_id, in __smc_diag_dump()
157 memcpy(linfo.lnk[0].ibname, link->smcibdev->ibdev->name, in __smc_diag_dump()
158 sizeof(link->smcibdev->ibdev->name)); in __smc_diag_dump()
159 smc_gid_be16_convert(linfo.lnk[0].gid, link->gid); in __smc_diag_dump()
160 smc_gid_be16_convert(linfo.lnk[0].peer_gid, link->peer_gid); in __smc_diag_dump()
165 if (smc_conn_lgr_valid(&smc->conn) && smc->conn.lgr->is_smcd && in __smc_diag_dump()
166 (req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) && in __smc_diag_dump()
167 !list_empty(&smc->conn.lgr->list) && smc->conn.rmb_desc) { in __smc_diag_dump()
168 struct smc_connection *conn = &smc->conn; in __smc_diag_dump()
170 struct smcd_dev *smcd = conn->lgr->smcd; in __smc_diag_dump()
175 dinfo.linkid = *((u32 *)conn->lgr->id); in __smc_diag_dump()
176 dinfo.peer_gid = conn->lgr->peer_gid.gid; in __smc_diag_dump()
177 dinfo.peer_gid_ext = conn->lgr->peer_gid.gid_ext; in __smc_diag_dump()
178 smcd->ops->get_local_gid(smcd, &smcd_gid); in __smc_diag_dump()
181 dinfo.token = conn->rmb_desc->token; in __smc_diag_dump()
182 dinfo.peer_token = conn->peer_token; in __smc_diag_dump()
193 return -EMSGSIZE; in __smc_diag_dump()
200 struct net *net = sock_net(skb->sk); in smc_diag_dump_proto()
201 int snum = cb_ctx->pos[p_type]; in smc_diag_dump_proto()
207 read_lock(&prot->h.smc_hash->lock); in smc_diag_dump_proto()
208 head = &prot->h.smc_hash->ht; in smc_diag_dump_proto()
217 rc = __smc_diag_dump(sk, skb, cb, nlmsg_data(cb->nlh), bc); in smc_diag_dump_proto()
225 read_unlock(&prot->h.smc_hash->lock); in smc_diag_dump_proto()
226 cb_ctx->pos[p_type] = num; in smc_diag_dump_proto()
237 return skb->len; in smc_diag_dump()
242 struct net *net = sock_net(skb->sk); in smc_diag_handler_dump()
244 if (h->nlmsg_type == SOCK_DIAG_BY_FAMILY && in smc_diag_handler_dump()
245 h->nlmsg_flags & NLM_F_DUMP) { in smc_diag_handler_dump()
251 return netlink_dump_start(net->diag_nlsk, skb, h, &c); in smc_diag_handler_dump()
276 MODULE_DESCRIPTION("SMC socket monitoring via SOCK_DIAG");