From: Sara Sharon Date: Thu, 21 Apr 2016 17:15:40 +0000 (+0300) Subject: iwlwifi: pcie: make sure packet arrived to destined queue X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ab2e696bd25c11bf4baf84f285555b069ae2dd30;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git iwlwifi: pcie: make sure packet arrived to destined queue Add a warning in case packet didn't end up in the HW destined queue. Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 2f024c737e4f..a45be1db179b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -212,6 +212,8 @@ struct iwl_cmd_header_wide { #define FH_RSCSR_FRAME_INVALID 0x55550000 #define FH_RSCSR_FRAME_ALIGN 0x40 #define FH_RSCSR_RPA_EN BIT(25) +#define FH_RSCSR_RXQ_POS 16 +#define FH_RSCSR_RXQ_MASK 0x3F0000 struct iwl_rx_packet { /* @@ -223,7 +225,11 @@ struct iwl_rx_packet { * 29: flag fast IRQ request * 28-26: Reserved * 25: Offload enabled - * 24-14: Reserved + * 24: RPF enabled + * 23: RSS enabled + * 22: Checksum enabled + * 21-16: RX queue + * 15-14: Reserved * 13-00: RX frame size */ __le32 len_n_flags; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 4fad80813d75..70e39e4ec0c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -1104,6 +1104,9 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, if (pkt->len_n_flags == cpu_to_le32(FH_RSCSR_FRAME_INVALID)) break; + WARN_ON((le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_RXQ_MASK) >> + FH_RSCSR_RXQ_POS != rxq->id); + IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x, seq 0x%x)\n", rxcb._offset,