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