/* * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License (not later!) * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include #include #include #include "event-parse.h" static void write_state(struct trace_seq *s, int val) { const char states[] = "SDTtZXxW"; int found = 0; int i; for (i = 0; i < (sizeof(states) - 1); i++) { if (!(val & (1 << i))) continue; if (found) trace_seq_putc(s, '|'); found = 1; trace_seq_putc(s, states[i]); } if (!found) trace_seq_putc(s, 'R'); } static void write_and_save_comm(struct format_field *field, struct pevent_record *record, struct trace_seq *s, int pid) { const char *comm; int len; comm = (char *)(record->data + field->offset); len = s->len; trace_seq_printf(s, "%.*s", field->size, comm); /* make sure the comm has a \0 at the end. */ trace_seq_terminate(s); comm = &s->buffer[len]; /* Help out the comm to ids. This will handle dups */ pevent_register_comm(field->event->pevent, comm, pid); } static int sched_wakeup_handler(struct trace_seq *s, struct pevent_record *record, struct event_format *event, void *context) { struct format_field *field; unsigned long long val; if (pevent_get_field_val(s, event, "pid", record, &val, 1)) return trace_seq_putc(s, '!'); field = pevent_find_any_field(event, "comm"); if (field) { write_and_save_comm(field, record, s, val); trace_seq_putc(s, ':'); } trace_seq_printf(s, "%lld", val); if (pevent_get_field_val(s, event, "prio", record, &val, 0) == 0) trace_seq_printf(s, " [%lld]", val); if (pevent_get_field_val(s, event, "success", record, &val, 1) == 0) trace_seq_printf(s, " success=%lld", val); if (pevent_get_field_val(s, event, "target_cpu", record, &val, 0) == 0) trace_seq_printf(s, " CPU:%03llu", val); return 0; } static int sched_switch_handler(struct trace_seq *s, struct pevent_record *record, struct event_format *event, void *context) { struct format_field *field; unsigned long long val; if (pevent_get_field_val(s, event, "prev_pid", record, &val, 1)) return trace_seq_putc(s, '!'); field = pevent_find_any_field(event, "prev_comm"); if (field) { write_and_save_comm(field, record, s, val); trace_seq_putc(s, ':'); } trace_seq_printf(s, "%lld ", val); if (pevent_get_field_val(s, event, "prev_prio", record, &val, 0) == 0) trace_seq_printf(s, "[%d] ", (int) val); if (pevent_get_field_val(s, event, "prev_state", record, &val, 0) == 0) write_state(s, val); trace_seq_puts(s, " ==> "); if (pevent_get_field_val(s, event, "next_pid", record, &val, 1)) return trace_seq_putc(s, '!'); field = pevent_find_any_field(event, "next_comm"); if (field) { write_and_save_comm(field, record, s, val); trace_seq_putc(s, ':'); } trace_seq_printf(s, "%lld", val); if (pevent_get_field_val(s, event, "next_prio", record, &val, 0) == 0) trace_seq_printf(s, " [%d]", (int) val); return 0; } int PEVENT_PLUGIN_LOADER(struct pevent *pevent) { pevent_register_event_handler(pevent, -1, "sched", "sched_switch", sched_switch_handler, NULL); pevent_register_event_handler(pevent, -1, "sched", "sched_wakeup", sched_wakeup_handler, NULL); pevent_register_event_handler(pevent, -1, "sched", "sched_wakeup_new", sched_wakeup_handler, NULL); return 0; } void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) { pevent_unregister_event_handler(pevent, -1, "sched", "sched_switch", sched_switch_handler, NULL); pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup", sched_wakeup_handler, NULL); pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup_new", sched_wakeup_handler, NULL); } /td>2017-02-07 16:43:05 +0300 committerDoug Ledford <dledford@redhat.com>2017-02-08 12:28:30 -0500 commit628f07d33c1f2e7bf31e0a4a988bb07914bd5e73 (patch) treec228c66498f9a4562093fbbf80a41bcede0c06f2 /net/ipv6/udp.c parentb4cfe3971f6eab542dd7ecc398bfa1aeec889934 (diff)
IB/rxe: Fix resid update
Update the response's resid field when larger than MTU, instead of only updating the local resid variable. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Eyal Itkin <eyal.itkin@gmail.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net/ipv6/udp.c')