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datapath: Replace "struct odp_action" by Netlink attributes.

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In the medium term, we plan to migrate the datapath to use Netlink as its
communication channel.  In the short term, we need to be able to have
actions with 64-bit arguments but "struct odp_action" only has room for
48 bits.  So this patch shifts to variable-length arguments using Netlink
attributes, which starts in on the Netlink transition and makes 64-bit
arguments possible at the same time.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Ben Pfaff
2010-12-10 10:40:58 -08:00
parent 7f8ca6459c
commit cdee00fd63
23 changed files with 587 additions and 590 deletions
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6
lib/dpif-linux.c
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@@ -392,13 +392,13 @@ dpif_linux_flow_list(const struct dpif *dpif_, struct odp_flow flows[], int n)
static int
dpif_linux_execute(struct dpif *dpif_,
const union odp_action actions[], int n_actions,
const struct nlattr *actions, unsigned int actions_len,
const struct ofpbuf *buf)
{
struct odp_execute execute;
memset(&execute, 0, sizeof execute);
execute.actions = (union odp_action *) actions;
execute.n_actions = n_actions;
execute.actions = (struct nlattr *) actions;
execute.actions_len = actions_len;
execute.data = buf->data;
execute.length = buf->size;
return do_ioctl(dpif_, ODP_EXECUTE, &execute);