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mptcp: add RM_ADDR related mibs
This patch added two new mibs for RM_ADDR, named MPTCP_MIB_RMADDR and MPTCP_MIB_RMSUBFLOW, when the RM_ADDR suboption is received, increase the first mib counter, when the local subflow is removed, increase the second mib counter. Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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3 changed files with 9 additions and 0 deletions
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@ -29,6 +29,8 @@ static const struct snmp_mib mptcp_snmp_list[] = {
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SNMP_MIB_ITEM("DuplicateData", MPTCP_MIB_DUPDATA),
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SNMP_MIB_ITEM("AddAddr", MPTCP_MIB_ADDADDR),
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SNMP_MIB_ITEM("EchoAdd", MPTCP_MIB_ECHOADD),
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SNMP_MIB_ITEM("RmAddr", MPTCP_MIB_RMADDR),
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SNMP_MIB_ITEM("RmSubflow", MPTCP_MIB_RMSUBFLOW),
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SNMP_MIB_SENTINEL
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};
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@ -22,6 +22,8 @@ enum linux_mptcp_mib_field {
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MPTCP_MIB_DUPDATA, /* Segments discarded due to duplicate DSS */
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MPTCP_MIB_ADDADDR, /* Received ADD_ADDR with echo-flag=0 */
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MPTCP_MIB_ECHOADD, /* Received ADD_ADDR with echo-flag=1 */
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MPTCP_MIB_RMADDR, /* Received RM_ADDR */
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MPTCP_MIB_RMSUBFLOW, /* Remove a subflow */
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__MPTCP_MIB_MAX
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};
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@ -15,6 +15,7 @@
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#include <uapi/linux/mptcp.h>
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#include "protocol.h"
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#include "mib.h"
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/* forward declaration */
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static struct genl_family mptcp_genl_family;
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@ -346,6 +347,8 @@ void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk)
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msk->pm.subflows--;
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WRITE_ONCE(msk->pm.accept_addr, true);
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__MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMADDR);
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break;
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}
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}
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@ -379,6 +382,8 @@ void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id)
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msk->pm.local_addr_used--;
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msk->pm.subflows--;
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__MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMSUBFLOW);
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break;
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}
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}
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