if (!skb) {
i += scnprintf(buf, sz, "msg: (null)\n"); return i;
}
hdr = buf_msg(skb);
skbcb = TIPC_SKB_CB(skb);
/* tipc msg data section */
i += scnprintf(buf, sz, "msg: %u", msg_user(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_type(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_hdr_sz(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_data_sz(hdr));
i += scnprintf(buf + i, sz - i, " %x", msg_orignode(hdr));
i += scnprintf(buf + i, sz - i, " %x", msg_destnode(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_seqno(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_ack(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_bcast_ack(hdr)); switch (msg_user(hdr)) { case LINK_PROTOCOL:
i += scnprintf(buf + i, sz - i, " %c", msg_net_plane(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_probe(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_peer_stopping(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_session(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_next_sent(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_seq_gap(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_bc_snd_nxt(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_bc_gap(hdr)); break; case TIPC_LOW_IMPORTANCE: case TIPC_MEDIUM_IMPORTANCE: case TIPC_HIGH_IMPORTANCE: case TIPC_CRITICAL_IMPORTANCE: case CONN_MANAGER: case SOCK_WAKEUP:
i += scnprintf(buf + i, sz - i, " | %u", msg_origport(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_destport(hdr)); switch (msg_type(hdr)) { case TIPC_NAMED_MSG:
i += scnprintf(buf + i, sz - i, " %u",
msg_nametype(hdr));
i += scnprintf(buf + i, sz - i, " %u",
msg_nameinst(hdr)); break; case TIPC_MCAST_MSG:
i += scnprintf(buf + i, sz - i, " %u",
msg_nametype(hdr));
i += scnprintf(buf + i, sz - i, " %u",
msg_namelower(hdr));
i += scnprintf(buf + i, sz - i, " %u",
msg_nameupper(hdr)); break; default: break;
}
i += scnprintf(buf + i, sz - i, " | %u",
msg_src_droppable(hdr));
i += scnprintf(buf + i, sz - i, " %u",
msg_dest_droppable(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_errcode(hdr));
i += scnprintf(buf + i, sz - i, " %u", msg_reroute_cnt(hdr)); break; default: /* need more? */ break;
}
i += scnprintf(buf + i, sz - i, "\n"); if (!more) return i;
/* kernel-related skb data section */
i += scnprintf(buf + i, sz - i, "skb: %s",
(skb->dev) ? skb->dev->name : "n/a");
i += scnprintf(buf + i, sz - i, " %u", skb->len);
i += scnprintf(buf + i, sz - i, " %u", skb->data_len);
i += scnprintf(buf + i, sz - i, " %u", skb->hdr_len);
i += scnprintf(buf + i, sz - i, " %u", skb->truesize);
i += scnprintf(buf + i, sz - i, " %u", skb_cloned(skb));
i += scnprintf(buf + i, sz - i, " %p", skb->sk);
i += scnprintf(buf + i, sz - i, " %u", skb_shinfo(skb)->nr_frags);
i += scnprintf(buf + i, sz - i, " %llx",
ktime_to_ms(skb_get_ktime(skb)));
i += scnprintf(buf + i, sz - i, " %llx\n",
ktime_to_ms(skb_hwtstamps(skb)->hwtstamp));
/* tipc skb cb[] data section */
i += scnprintf(buf + i, sz - i, "cb[]: %u", skbcb->bytes_read);
i += scnprintf(buf + i, sz - i, " %u", skbcb->orig_member);
i += scnprintf(buf + i, sz - i, " %u",
jiffies_to_msecs(skbcb->nxt_retr));
i += scnprintf(buf + i, sz - i, " %u", skbcb->validated);
i += scnprintf(buf + i, sz - i, " %u", skbcb->chain_imp);
i += scnprintf(buf + i, sz - i, " %u\n", skbcb->ackers);
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