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e740003874edc1 Hariprasad Kelam 2022-02-09 605 u8 rx_pause, tx_pause; e740003874edc1 Hariprasad Kelam 2022-02-09 606 bool is_pfc_enabled; e740003874edc1 Hariprasad Kelam 2022-02-09 607 struct lmac *lmac; 5d9b976d4480dc Sunil Goutham 2019-11-14 608 u64 cfg; 5d9b976d4480dc Sunil Goutham 2019-11-14 609 5d9b976d4480dc Sunil Goutham 2019-11-14 610 if (!cgx) 5d9b976d4480dc Sunil Goutham 2019-11-14 611 return; 5d9b976d4480dc Sunil Goutham 2019-11-14 612 e740003874edc1 Hariprasad Kelam 2022-02-09 613 lmac = lmac_pdata(lmac_id, cgx); e740003874edc1 Hariprasad Kelam 2022-02-09 614 if (!lmac) e740003874edc1 Hariprasad Kelam 2022-02-09 615 return; e740003874edc1 Hariprasad Kelam 2022-02-09 616 e740003874edc1 Hariprasad Kelam 2022-02-09 617 /* Pause frames are not enabled just return */ e740003874edc1 Hariprasad Kelam 2022-02-09 618 if (!bitmap_weight(lmac->rx_fc_pfvf_bmap.bmap, lmac->rx_fc_pfvf_bmap.max)) e740003874edc1 Hariprasad Kelam 2022-02-09 619 return; e740003874edc1 Hariprasad Kelam 2022-02-09 620 e740003874edc1 Hariprasad Kelam 2022-02-09 621 cgx_lmac_get_pause_frm_status(cgx, lmac_id, &rx_pause, &tx_pause); The first two returns in cgx_lmac_get_pause_frm_status() don't initialize rx or tx pause. e740003874edc1 Hariprasad Kelam 2022-02-09 @622 is_pfc_enabled = rx_pause ? false : true; ^^^^^^^^ e740003874edc1 Hariprasad Kelam 2022-02-09 623 5d9b976d4480dc Sunil Goutham 2019-11-14 624 if (enable) { e740003874edc1 Hariprasad Kelam 2022-02-09 625 if (!is_pfc_enabled) { 5d9b976d4480dc Sunil Goutham 2019-11-14 626 cfg = cgx_read(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL); 5d9b976d4480dc Sunil Goutham 2019-11-14 627 cfg |= CGX_GMP_GMI_RXX_FRM_CTL_CTL_BCK; 5d9b976d4480dc Sunil Goutham 2019-11-14 628 cgx_write(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL, cfg); 5d9b976d4480dc Sunil Goutham 2019-11-14 629 5d9b976d4480dc Sunil Goutham 2019-11-14 630 cfg = cgx_read(cgx, lmac_id, CGXX_SMUX_RX_FRM_CTL); 5d9b976d4480dc Sunil Goutham 2019-11-14 631 cfg |= CGX_SMUX_RX_FRM_CTL_CTL_BCK; -- 0-DAY CI Kernel Test Service https://01.org/lkp