zebra: make rib_process_dplane_results own ctx freeing

The rib_process_dplane_results function was having each
sub function handler process the results and then
free the ctx.  Lot's of functionality that needs to remember
to free the context.  Let's just free it in the main loop.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2022-06-29 15:24:20 -04:00
parent 03c95c540f
commit f00b37e710
6 changed files with 10 additions and 46 deletions

View file

@ -1504,7 +1504,7 @@ void zebra_if_dplane_result(struct zebra_dplane_ctx *ctx)
if (IS_ZEBRA_DEBUG_KERNEL)
zlog_debug("%s: can't find zns id %u", __func__, ns_id);
goto done;
return;
}
ifp = if_lookup_by_index_per_ns(zns, ifindex);
@ -1516,7 +1516,7 @@ void zebra_if_dplane_result(struct zebra_dplane_ctx *ctx)
"%s: can't find ifp at nsid %u index %d",
__func__, ns_id, ifindex);
goto done;
return;
}
}
@ -1578,8 +1578,6 @@ void zebra_if_dplane_result(struct zebra_dplane_ctx *ctx)
case DPLANE_OP_GRE_SET:
break; /* should never hit here */
}
done:
dplane_ctx_fini(&ctx);
}
/* Dump if address information to vty. */

View file

@ -1855,8 +1855,6 @@ void zebra_mpls_lsp_dplane_result(struct zebra_dplane_ctx *ctx)
break;
} /* Switch */
dplane_ctx_fini(&ctx);
}
/*
@ -2064,7 +2062,7 @@ void zebra_mpls_process_dplane_notify(struct zebra_dplane_ctx *ctx)
/* Look for zebra LSP object */
zvrf = vrf_info_lookup(VRF_DEFAULT);
if (zvrf == NULL)
goto done;
return;
lsp_table = zvrf->lsp_table;
@ -2074,7 +2072,7 @@ void zebra_mpls_process_dplane_notify(struct zebra_dplane_ctx *ctx)
if (is_debug)
zlog_debug("dplane LSP notif: in-label %u not found",
dplane_ctx_get_in_label(ctx));
goto done;
return;
}
/*
@ -2147,9 +2145,6 @@ void zebra_mpls_process_dplane_notify(struct zebra_dplane_ctx *ctx)
UNSET_FLAG(lsp->flags, LSP_FLAG_INSTALLED);
clear_nhlfe_installed(lsp);
}
done:
dplane_ctx_fini(&ctx);
}
/*

View file

@ -3076,8 +3076,6 @@ void zebra_nhg_dplane_result(struct zebra_dplane_ctx *ctx)
case DPLANE_OP_INTF_DELETE:
break;
}
dplane_ctx_fini(&ctx);
}
static int zebra_nhg_sweep_entry(struct hash_bucket *bucket, void *arg)

View file

@ -1068,9 +1068,6 @@ void zebra_pbr_dplane_result(struct zebra_dplane_ctx *ctx)
EC_ZEBRA_PBR_RULE_UPDATE,
"Context received in pbr rule dplane result handler with incorrect OP code (%u)",
op);
dplane_ctx_fini(&ctx);
}
/*

View file

@ -2087,9 +2087,6 @@ done:
if (rn)
route_unlock_node(rn);
/* Return context to dataplane module */
dplane_ctx_fini(&ctx);
}
/*
@ -2323,9 +2320,6 @@ static void rib_process_dplane_notify(struct zebra_dplane_ctx *ctx)
done:
if (rn)
route_unlock_node(rn);
/* Return context to dataplane module */
dplane_ctx_fini(&ctx);
}
/*
@ -4191,7 +4185,7 @@ void rib_close_table(struct route_table *table)
/*
* Handler for async dataplane results after a pseudowire installation
*/
static int handle_pw_result(struct zebra_dplane_ctx *ctx)
static void handle_pw_result(struct zebra_dplane_ctx *ctx)
{
struct zebra_pw *pw;
struct zebra_vrf *vrf;
@ -4200,7 +4194,7 @@ static int handle_pw_result(struct zebra_dplane_ctx *ctx)
* result for installation attempts here.
*/
if (dplane_ctx_get_op(ctx) != DPLANE_OP_PW_INSTALL)
goto done;
return;
if (dplane_ctx_get_status(ctx) != ZEBRA_DPLANE_REQUEST_SUCCESS) {
vrf = zebra_vrf_lookup_by_id(dplane_ctx_get_vrf(ctx));
@ -4209,14 +4203,8 @@ static int handle_pw_result(struct zebra_dplane_ctx *ctx)
zebra_pw_install_failure(pw,
dplane_ctx_get_pw_status(ctx));
}
done:
dplane_ctx_fini(&ctx);
return 0;
}
/*
* Handle results from the dataplane system. Dequeue update context
* structs, dispatch to appropriate internal handlers.
@ -4289,7 +4277,6 @@ static void rib_process_dplane_results(struct thread *thread)
case DPLANE_OP_ROUTE_INSTALL:
case DPLANE_OP_ROUTE_UPDATE:
case DPLANE_OP_ROUTE_DELETE:
{
/* Bit of special case for route updates
* that were generated by async notifications:
* we don't want to continue processing these
@ -4297,10 +4284,7 @@ static void rib_process_dplane_results(struct thread *thread)
*/
if (dplane_ctx_get_notif_provider(ctx) == 0)
rib_process_result(ctx);
else
dplane_ctx_fini(&ctx);
}
break;
break;
case DPLANE_OP_ROUTE_NOTIFY:
rib_process_dplane_notify(ctx);
@ -4315,17 +4299,13 @@ static void rib_process_dplane_results(struct thread *thread)
case DPLANE_OP_LSP_INSTALL:
case DPLANE_OP_LSP_UPDATE:
case DPLANE_OP_LSP_DELETE:
{
/* Bit of special case for LSP updates
* that were generated by async notifications:
* we don't want to continue processing these.
*/
if (dplane_ctx_get_notif_provider(ctx) == 0)
zebra_mpls_lsp_dplane_result(ctx);
else
dplane_ctx_fini(&ctx);
}
break;
break;
case DPLANE_OP_LSP_NOTIFY:
zebra_mpls_process_dplane_notify(ctx);
@ -4338,8 +4318,6 @@ static void rib_process_dplane_results(struct thread *thread)
case DPLANE_OP_SYS_ROUTE_ADD:
case DPLANE_OP_SYS_ROUTE_DELETE:
/* No further processing in zebra for these. */
dplane_ctx_fini(&ctx);
break;
case DPLANE_OP_MAC_INSTALL:
@ -4383,12 +4361,11 @@ static void rib_process_dplane_results(struct thread *thread)
case DPLANE_OP_NEIGH_TABLE_UPDATE:
case DPLANE_OP_GRE_SET:
case DPLANE_OP_NONE:
/* Don't expect this: just return the struct? */
dplane_ctx_fini(&ctx);
break;
} /* Dispatch by op code */
dplane_ctx_fini(&ctx);
ctx = dplane_ctx_dequeue(&ctxlist);
}

View file

@ -6260,8 +6260,7 @@ static int zebra_evpn_cfg_clean_up(struct zserv *client)
*/
extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx)
{
/* TODO -- anything other than freeing the context? */
dplane_ctx_fini(&ctx);
return;
}
/* Cleanup BGP EVPN configuration upon client disconnect */