3887a55909
Removed upstreamed: backport-5.15/430-v6.3-ubi-Fix-failure-attaching-when-vid_hdr-offset-equals.patch[1] backport-5.15/612-v6.3-skbuff-Fix-a-race-between-coalescing-and-releasing-S.patch[2] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.108&id=85d7a7044b759d865d10395a357632af00de5867 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.108&id=906a6689bb0191ad2a44131a3377006aa098af59 Build system: x86_64 Build-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Run-tested: bcm2711/RPi4B, ramips/tplink_archer-a6-v3, filogic/xiaomi_redmi-router-ax6000-ubootmod Signed-off-by: John Audia <therealgraysky@proton.me>
80 lines
2.4 KiB
Diff
80 lines
2.4 KiB
Diff
From 73472c830eae5fce2107f7f086f1e6827d215caf Mon Sep 17 00:00:00 2001
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From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
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Date: Tue, 13 Sep 2022 20:06:48 +0100
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Subject: [PATCH 1/1] net: sfp: add support for HALNy GPON SFP
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Add a quirk for the HALNy HL-GSFP module, which appears to have an
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inverted RX_LOS signal, and maybe uses TX_FAULT as a serial port
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transmit pin. Rather than use these hardware signals, switch to
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using software polling for these status signals.
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/phy/sfp-bus.c | 2 +-
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drivers/net/phy/sfp.c | 21 ++++++++++++++++++---
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2 files changed, 19 insertions(+), 4 deletions(-)
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--- a/drivers/net/phy/sfp-bus.c
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+++ b/drivers/net/phy/sfp-bus.c
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@@ -283,7 +283,7 @@ void sfp_parse_support(struct sfp_bus *b
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phylink_set(modes, 2500baseX_Full);
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}
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- if (bus->sfp_quirk)
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+ if (bus->sfp_quirk && bus->sfp_quirk->modes)
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bus->sfp_quirk->modes(id, modes);
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linkmode_or(support, support, modes);
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--- a/drivers/net/phy/sfp.c
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+++ b/drivers/net/phy/sfp.c
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@@ -327,6 +327,15 @@ static void sfp_fixup_ignore_tx_fault(st
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sfp->tx_fault_ignore = true;
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}
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+static void sfp_fixup_halny_gsfp(struct sfp *sfp)
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+{
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+ /* Ignore the TX_FAULT and LOS signals on this module.
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+ * these are possibly used for other purposes on this
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+ * module, e.g. a serial port.
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+ */
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+ sfp->state_hw_mask &= ~(SFP_F_TX_FAULT | SFP_F_LOS);
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+}
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+
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static void sfp_quirk_2500basex(const struct sfp_eeprom_id *id,
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unsigned long *modes)
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{
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@@ -359,6 +368,10 @@ static const struct sfp_quirk sfp_quirks
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.modes = sfp_quirk_2500basex,
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.fixup = sfp_fixup_long_startup,
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}, {
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+ .vendor = "HALNy",
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+ .part = "HL-GSFP",
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+ .fixup = sfp_fixup_halny_gsfp,
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+ }, {
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// Huawei MA5671A can operate at 2500base-X, but report 1.2GBd
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// NRZ in their EEPROM
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.vendor = "HUAWEI",
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@@ -375,16 +388,18 @@ static const struct sfp_quirk sfp_quirks
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.vendor = "UBNT",
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.part = "UF-INSTANT",
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.modes = sfp_quirk_ubnt_uf_instant,
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- },
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+ }
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};
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static size_t sfp_strlen(const char *str, size_t maxlen)
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{
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size_t size, i;
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- /* Trailing characters should be filled with space chars */
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+ /* Trailing characters should be filled with space chars, but
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+ * some manufacturers can't read SFF-8472 and use NUL.
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+ */
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for (i = 0, size = 0; i < maxlen; i++)
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- if (str[i] != ' ')
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+ if (str[i] != ' ' && str[i] != '\0')
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size = i + 1;
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return size;
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