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garp: retry sending JoinIn messages after allocation failures
Increase reliability by retrying to send JoinIn messages after memory allocation failures on each TRANSMIT_PDU event until it succeeds. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -323,7 +323,10 @@ static void garp_attr_event(struct garp_applicant *app,
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case GARP_ACTION_NONE:
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break;
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case GARP_ACTION_S_JOIN_IN:
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garp_pdu_append_attr(app, attr, GARP_JOIN_IN);
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/* When appending the attribute fails, don't update state in
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* order to retry on next TRANSMIT_PDU event. */
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if (garp_pdu_append_attr(app, attr, GARP_JOIN_IN) < 0)
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return;
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break;
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case GARP_ACTION_S_LEAVE_EMPTY:
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garp_pdu_append_attr(app, attr, GARP_LEAVE_EMPTY);
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