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datapath: Require explicit upcall_pid for new datapaths and vports.

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This increases consistency with the OVS_ACTION_ATTR_USERSPACE action, which
also requires an explicit pid.

Suggested-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Ben Pfaff
2011-10-12 11:04:10 -07:00
parent 98403001ec
commit ea36840fa4
2 changed files with 13 additions and 11 deletions
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9
lib/dpif-linux.c
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@@ -235,6 +235,7 @@ dpif_linux_open(const struct dpif_class *class OVS_UNUSED, const char *name,
{
struct dpif_linux_dp dp_request, dp;
struct ofpbuf *buf;
uint32_t upcall_pid;
int error;
error = dpif_linux_init();
@@ -244,7 +245,13 @@ dpif_linux_open(const struct dpif_class *class OVS_UNUSED, const char *name,
/* Create or look up datapath. */
dpif_linux_dp_init(&dp_request);
dp_request.cmd = create ? OVS_DP_CMD_NEW : OVS_DP_CMD_GET;
if (create) {
dp_request.cmd = OVS_DP_CMD_NEW;
upcall_pid = 0;
dp_request.upcall_pid = &upcall_pid;
} else {
dp_request.cmd = OVS_DP_CMD_GET;
}
dp_request.name = name;
error = dpif_linux_dp_transact(&dp_request, &dp, &buf);
if (error) {