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author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
---|---|---|
committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch | |
parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch new file mode 100644 index 0000000000..cdd9f568eb --- /dev/null +++ b/target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch @@ -0,0 +1,65 @@ +From ec72823546e39cd486360f44db16cf47f7e8f59e Mon Sep 17 00:00:00 2001 +From: Henning Schild <henning.schild@siemens.com> +Date: Mon, 18 Sep 2017 18:02:08 +0200 +Subject: [PATCH] ivshmem-net: fill in and check used descriptor chain len + +We are using chains of len==1 make that explicit and expect that from +the remote. + +Signed-off-by: Henning Schild <henning.schild@siemens.com> +Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> +(cherry picked from commit f958c360044184f58605815d428b83fe4329cafd) +--- + drivers/net/ivshmem-net.c | 14 ++++++++------ + 1 file changed, 8 insertions(+), 6 deletions(-) + +--- a/drivers/net/ivshmem-net.c ++++ b/drivers/net/ivshmem-net.c +@@ -335,10 +335,10 @@ static void ivshm_net_tx_clean(struct ne + { + struct ivshm_net *in = netdev_priv(ndev); + struct ivshm_net_queue *tx = &in->tx; ++ struct vring_used_elem *used; + struct vring *vr = &tx->vr; + struct vring_desc *desc; + struct vring_desc *fdesc; +- unsigned int used; + unsigned int num; + u16 used_idx; + u16 last; +@@ -358,13 +358,14 @@ static void ivshm_net_tx_clean(struct ne + u32 len; + u32 tail; + +- used = vr->used->ring[last & (vr->num - 1)].id; +- if (used >= vr->num) { +- netdev_err(ndev, "invalid tx used %d\n", used); ++ used = vr->used->ring + (last % vr->num); ++ if (used->id >= vr->num || used->len != 1) { ++ netdev_err(ndev, "invalid tx used->id %d ->len %d\n", ++ used->id, used->len); + break; + } + +- desc = &vr->desc[used]; ++ desc = &vr->desc[used->id]; + + data = ivshm_net_desc_data(in, &in->tx, desc, &len); + if (!data) { +@@ -383,7 +384,7 @@ static void ivshm_net_tx_clean(struct ne + else + desc->next = fhead; + +- fhead = used; ++ fhead = used->id; + last++; + num++; + } +@@ -433,6 +434,7 @@ static void ivshm_net_rx_finish(struct i + + used = rx->last_used_idx++ & (vr->num - 1); + vr->used->ring[used].id = desc_id; ++ vr->used->ring[used].len = 1; + + virt_store_release(&vr->used->idx, rx->last_used_idx); + } |