wctc4xxp: Fix continuous "errored receive packets" with 2+ transcoders
In the case where two transcoders are loaded in a system and one transcoder experiences an errored receive packet condition, the logic would ping pong the error between the two cards, causing a runaway stream of errors in the kernel log. This fix moves the global error count var into the wcdte struct to allow for per-card logic. Signed-off-by: Russ Meyerriecks <rmeyerriecks@digium.com> Acked-by: Shaun Ruffell <sruffell@digium.com>
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@ -375,6 +375,7 @@ struct wcdte {
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#endif
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struct timer_list watchdog;
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u16 open_channels;
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unsigned long packet_errors;
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};
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struct wcdte_netdev_priv {
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@ -2019,14 +2020,16 @@ wctc4xxp_disable_polling(struct wcdte *wc)
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static void wctc4xxp_check_for_rx_errors(struct wcdte *wc)
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{
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static unsigned long last_errors = 0;
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/* get_packet_errors() returns the accumulated total errors */
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unsigned long errors = wctc4xxp_get_packet_errors(wc->rxd);
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if (last_errors != errors) {
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/* Print warning when the number of errors changes */
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if (wc->packet_errors != errors) {
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if (printk_ratelimit()) {
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dev_err(&wc->pdev->dev,
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"%lu errored receive packets.\n",
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errors - last_errors);
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last_errors = errors;
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errors - wc->packet_errors);
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wc->packet_errors = errors;
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}
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}
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}
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