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path: root/drivers/net/wireless/ath/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c236
1 files changed, 197 insertions, 39 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 64e30cd45d05..29898f8d1893 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -78,6 +78,90 @@ static const struct file_operations fops_debug = {
78 78
79#define DMA_BUF_LEN 1024 79#define DMA_BUF_LEN 1024
80 80
81static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
82 size_t count, loff_t *ppos)
83{
84 struct ath_softc *sc = file->private_data;
85 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
86 char buf[32];
87 unsigned int len;
88
89 len = snprintf(buf, sizeof(buf), "0x%08x\n", common->tx_chainmask);
90 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
91}
92
93static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
94 size_t count, loff_t *ppos)
95{
96 struct ath_softc *sc = file->private_data;
97 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
98 unsigned long mask;
99 char buf[32];
100 ssize_t len;
101
102 len = min(count, sizeof(buf) - 1);
103 if (copy_from_user(buf, user_buf, len))
104 return -EINVAL;
105
106 buf[len] = '\0';
107 if (strict_strtoul(buf, 0, &mask))
108 return -EINVAL;
109
110 common->tx_chainmask = mask;
111 sc->sc_ah->caps.tx_chainmask = mask;
112 return count;
113}
114
115static const struct file_operations fops_tx_chainmask = {
116 .read = read_file_tx_chainmask,
117 .write = write_file_tx_chainmask,
118 .open = ath9k_debugfs_open,
119 .owner = THIS_MODULE
120};
121
122
123static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
124 size_t count, loff_t *ppos)
125{
126 struct ath_softc *sc = file->private_data;
127 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
128 char buf[32];
129 unsigned int len;
130
131 len = snprintf(buf, sizeof(buf), "0x%08x\n", common->rx_chainmask);
132 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
133}
134
135static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
136 size_t count, loff_t *ppos)
137{
138 struct ath_softc *sc = file->private_data;
139 struct ath_common *common = ath9k_hw_common(sc->sc_ah);
140 unsigned long mask;
141 char buf[32];
142 ssize_t len;
143
144 len = min(count, sizeof(buf) - 1);
145 if (copy_from_user(buf, user_buf, len))
146 return -EINVAL;
147
148 buf[len] = '\0';
149 if (strict_strtoul(buf, 0, &mask))
150 return -EINVAL;
151
152 common->rx_chainmask = mask;
153 sc->sc_ah->caps.rx_chainmask = mask;
154 return count;
155}
156
157static const struct file_operations fops_rx_chainmask = {
158 .read = read_file_rx_chainmask,
159 .write = write_file_rx_chainmask,
160 .open = ath9k_debugfs_open,
161 .owner = THIS_MODULE
162};
163
164
81static ssize_t read_file_dma(struct file *file, char __user *user_buf, 165static ssize_t read_file_dma(struct file *file, char __user *user_buf,
82 size_t count, loff_t *ppos) 166 size_t count, loff_t *ppos)
83{ 167{
@@ -711,6 +795,86 @@ static const struct file_operations fops_recv = {
711 .owner = THIS_MODULE 795 .owner = THIS_MODULE
712}; 796};
713 797
798static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
799 size_t count, loff_t *ppos)
800{
801 struct ath_softc *sc = file->private_data;
802 char buf[32];
803 unsigned int len;
804
805 len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.regidx);
806 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
807}
808
809static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
810 size_t count, loff_t *ppos)
811{
812 struct ath_softc *sc = file->private_data;
813 unsigned long regidx;
814 char buf[32];
815 ssize_t len;
816
817 len = min(count, sizeof(buf) - 1);
818 if (copy_from_user(buf, user_buf, len))
819 return -EINVAL;
820
821 buf[len] = '\0';
822 if (strict_strtoul(buf, 0, &regidx))
823 return -EINVAL;
824
825 sc->debug.regidx = regidx;
826 return count;
827}
828
829static const struct file_operations fops_regidx = {
830 .read = read_file_regidx,
831 .write = write_file_regidx,
832 .open = ath9k_debugfs_open,
833 .owner = THIS_MODULE
834};
835
836static ssize_t read_file_regval(struct file *file, char __user *user_buf,
837 size_t count, loff_t *ppos)
838{
839 struct ath_softc *sc = file->private_data;
840 struct ath_hw *ah = sc->sc_ah;
841 char buf[32];
842 unsigned int len;
843 u32 regval;
844
845 regval = REG_READ_D(ah, sc->debug.regidx);
846 len = snprintf(buf, sizeof(buf), "0x%08x\n", regval);
847 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
848}
849
850static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
851 size_t count, loff_t *ppos)
852{
853 struct ath_softc *sc = file->private_data;
854 struct ath_hw *ah = sc->sc_ah;
855 unsigned long regval;
856 char buf[32];
857 ssize_t len;
858
859 len = min(count, sizeof(buf) - 1);
860 if (copy_from_user(buf, user_buf, len))
861 return -EINVAL;
862
863 buf[len] = '\0';
864 if (strict_strtoul(buf, 0, &regval))
865 return -EINVAL;
866
867 REG_WRITE_D(ah, sc->debug.regidx, regval);
868 return count;
869}
870
871static const struct file_operations fops_regval = {
872 .read = read_file_regval,
873 .write = write_file_regval,
874 .open = ath9k_debugfs_open,
875 .owner = THIS_MODULE
876};
877
714int ath9k_init_debug(struct ath_hw *ah) 878int ath9k_init_debug(struct ath_hw *ah)
715{ 879{
716 struct ath_common *common = ath9k_hw_common(ah); 880 struct ath_common *common = ath9k_hw_common(ah);
@@ -722,54 +886,55 @@ int ath9k_init_debug(struct ath_hw *ah)
722 sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), 886 sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
723 ath9k_debugfs_root); 887 ath9k_debugfs_root);
724 if (!sc->debug.debugfs_phy) 888 if (!sc->debug.debugfs_phy)
725 goto err; 889 return -ENOMEM;
726 890
727#ifdef CONFIG_ATH_DEBUG 891#ifdef CONFIG_ATH_DEBUG
728 sc->debug.debugfs_debug = debugfs_create_file("debug", 892 if (!debugfs_create_file("debug", S_IRUSR | S_IWUSR,
729 S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug); 893 sc->debug.debugfs_phy, sc, &fops_debug))
730 if (!sc->debug.debugfs_debug)
731 goto err; 894 goto err;
732#endif 895#endif
733 896
734 sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR, 897 if (!debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy,
735 sc->debug.debugfs_phy, sc, &fops_dma); 898 sc, &fops_dma))
736 if (!sc->debug.debugfs_dma) 899 goto err;
900
901 if (!debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy,
902 sc, &fops_interrupt))
903 goto err;
904
905 if (!debugfs_create_file("rcstat", S_IRUSR, sc->debug.debugfs_phy,
906 sc, &fops_rcstat))
907 goto err;
908
909 if (!debugfs_create_file("wiphy", S_IRUSR | S_IWUSR,
910 sc->debug.debugfs_phy, sc, &fops_wiphy))
911 goto err;
912
913 if (!debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy,
914 sc, &fops_xmit))
737 goto err; 915 goto err;
738 916
739 sc->debug.debugfs_interrupt = debugfs_create_file("interrupt", 917 if (!debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy,
740 S_IRUSR, 918 sc, &fops_recv))
741 sc->debug.debugfs_phy,
742 sc, &fops_interrupt);
743 if (!sc->debug.debugfs_interrupt)
744 goto err; 919 goto err;
745 920
746 sc->debug.debugfs_rcstat = debugfs_create_file("rcstat", 921 if (!debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
747 S_IRUSR, 922 sc->debug.debugfs_phy, sc, &fops_rx_chainmask))
748 sc->debug.debugfs_phy,
749 sc, &fops_rcstat);
750 if (!sc->debug.debugfs_rcstat)
751 goto err; 923 goto err;
752 924
753 sc->debug.debugfs_wiphy = debugfs_create_file( 925 if (!debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
754 "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, 926 sc->debug.debugfs_phy, sc, &fops_tx_chainmask))
755 &fops_wiphy);
756 if (!sc->debug.debugfs_wiphy)
757 goto err; 927 goto err;
758 928
759 sc->debug.debugfs_xmit = debugfs_create_file("xmit", 929 if (!debugfs_create_file("regidx", S_IRUSR | S_IWUSR,
760 S_IRUSR, 930 sc->debug.debugfs_phy, sc, &fops_regidx))
761 sc->debug.debugfs_phy,
762 sc, &fops_xmit);
763 if (!sc->debug.debugfs_xmit)
764 goto err; 931 goto err;
765 932
766 sc->debug.debugfs_recv = debugfs_create_file("recv", 933 if (!debugfs_create_file("regval", S_IRUSR | S_IWUSR,
767 S_IRUSR, 934 sc->debug.debugfs_phy, sc, &fops_regval))
768 sc->debug.debugfs_phy,
769 sc, &fops_recv);
770 if (!sc->debug.debugfs_recv)
771 goto err; 935 goto err;
772 936
937 sc->debug.regidx = 0;
773 return 0; 938 return 0;
774err: 939err:
775 ath9k_exit_debug(ah); 940 ath9k_exit_debug(ah);
@@ -781,14 +946,7 @@ void ath9k_exit_debug(struct ath_hw *ah)
781 struct ath_common *common = ath9k_hw_common(ah); 946 struct ath_common *common = ath9k_hw_common(ah);
782 struct ath_softc *sc = (struct ath_softc *) common->priv; 947 struct ath_softc *sc = (struct ath_softc *) common->priv;
783 948
784 debugfs_remove(sc->debug.debugfs_recv); 949 debugfs_remove_recursive(sc->debug.debugfs_phy);
785 debugfs_remove(sc->debug.debugfs_xmit);
786 debugfs_remove(sc->debug.debugfs_wiphy);
787 debugfs_remove(sc->debug.debugfs_rcstat);
788 debugfs_remove(sc->debug.debugfs_interrupt);
789 debugfs_remove(sc->debug.debugfs_dma);
790 debugfs_remove(sc->debug.debugfs_debug);
791 debugfs_remove(sc->debug.debugfs_phy);
792} 950}
793 951
794int ath9k_debug_create_root(void) 952int ath9k_debug_create_root(void)
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 20:24:23 -0500