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pimd: Add pim_channel_del_oif

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For a given interface remove the interface from the list
of outgoing interfaces for a mroute and reinstall it
into the kernel.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2016-07-17 19:51:56 -04:00
parent d7259eac8b
commit 887fa0149f
2 changed files with 89 additions and 0 deletions
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86
pimd/pim_oil.c
View File

@ -142,6 +142,92 @@ void pim_channel_oil_del(struct channel_oil *c_oil)
}
}
int
pim_channel_del_oif (struct channel_oil *channel_oil,
struct interface *oif,
uint32_t proto_mask)
{
struct pim_interface *pim_ifp;
zassert (channel_oil);
zassert (oif);
pim_ifp = oif->info;
if (PIM_DEBUG_MROUTE)
{
char group_str[100];
char source_str[100];
pim_inet4_dump("<group?>", channel_oil->oil.mfcc_mcastgrp, group_str, sizeof(group_str));
pim_inet4_dump("<source?>", channel_oil->oil.mfcc_origin, source_str, sizeof(source_str));
zlog_debug("%s %s: (S,G)=(%s,%s): proto_mask=%u OIF=%s vif_index=%d",
__FILE__, __PRETTY_FUNCTION__,
source_str, group_str,
proto_mask, oif->name, pim_ifp->mroute_vif_index);
}
/*
* Don't do anything if we've been asked to remove a source
* that is not actually on it.
*/
if (!(channel_oil->oif_flags[pim_ifp->mroute_vif_index] & proto_mask))
{
if (PIM_DEBUG_MROUTE)
{
char group_str[100];
char source_str[100];
pim_inet4_dump("<group?>", channel_oil->oil.mfcc_mcastgrp, group_str, sizeof(group_str));
pim_inet4_dump("<source?>", channel_oil->oil.mfcc_origin, source_str, sizeof(source_str));
zlog_debug("%s %s: no existing protocol mask %u(%u) for requested OIF %s (vif_index=%d, min_ttl=%d) for channel (S,G)=(%s,%s)",
__FILE__, __PRETTY_FUNCTION__,
proto_mask, channel_oil->oif_flags[pim_ifp->mroute_vif_index],
oif->name, pim_ifp->mroute_vif_index,
channel_oil->oil.mfcc_ttls[pim_ifp->mroute_vif_index],
source_str, group_str);
}
return 0;
}
channel_oil->oif_flags[pim_ifp->mroute_vif_index] &= ~proto_mask;
if (channel_oil->oif_flags[pim_ifp->mroute_vif_index])
{
if (PIM_DEBUG_MROUTE)
{
char group_str[100];
char source_str[100];
pim_inet4_dump("<group?>", channel_oil->oil.mfcc_mcastgrp, group_str, sizeof(group_str));
pim_inet4_dump("<source?>", channel_oil->oil.mfcc_origin, source_str, sizeof(source_str));
zlog_debug("%s %s: other protocol masks remain for requested OIF %s (vif_index=%d, min_ttl=%d) for channel (S,G)=(%s,%s)",
__FILE__, __PRETTY_FUNCTION__,
oif->name, pim_ifp->mroute_vif_index,
channel_oil->oil.mfcc_ttls[pim_ifp->mroute_vif_index],
source_str, group_str);
}
return 0;
}
channel_oil->oil.mfcc_ttls[pim_ifp->mroute_vif_index] = 0;
if (pim_mroute_add (channel_oil)) {
if (PIM_DEBUG_MROUTE)
{
char group_str[100];
char source_str[100];
pim_inet4_dump("<group?>", channel_oil->oil.mfcc_mcastgrp, group_str, sizeof(group_str));
pim_inet4_dump("<source?>", channel_oil->oil.mfcc_origin, source_str, sizeof(source_str));
zlog_debug("%s %s: could not remove output interface %s (vif_index=%d) for channel (S,G)=(%s,%s)",
__FILE__, __PRETTY_FUNCTION__,
oif->name, pim_ifp->mroute_vif_index,
source_str, group_str);
}
return -1;
}
return 0;
}
int pim_channel_add_oif(struct channel_oil *channel_oil,
struct interface *oif,
uint32_t proto_mask)

3
pimd/pim_oil.h
View File

@ -87,5 +87,8 @@ void pim_channel_oil_del(struct channel_oil *c_oil);
int pim_channel_add_oif(struct channel_oil *c_oil,
struct interface *oif,
uint32_t proto_mask);
int pim_channel_del_oif (struct channel_oil *c_oil,
struct interface *oif,
uint32_t proto_mask);
#endif /* PIM_OIL_H */