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Diffstat (limited to 'content.tex')
| -rw-r--r-- | content.tex | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/content.tex b/content.tex index aff2d5b..8868f66 100644 --- a/content.tex +++ b/content.tex @@ -3362,7 +3362,7 @@ many addresses. } This table is set using the class VIRTIO_NET_CTRL_MAC and the command VIRTIO_NET_CTRL_MAC_TABLE_SET. The command-specific-data is two variable length tables of 6-byte MAC -addresses. The first table contains unicast addresses, and the second +addresses (as described in struct virtio_net_ctrl_mac). The first table contains unicast addresses, and the second contains multicast addresses. The VIRTIO_NET_CTRL_MAC_ADDR_SET command is used to set the @@ -3376,6 +3376,21 @@ accepts. The command-specific-data for VIRTIO_NET_CTRL_MAC_ADDR_SET is the 6-byte MAC address. +\devicenormative{\subparagraph}{Setting MAC Address Filtering}{Device Types / Network Device / Device Operation / Control Virtqueue / Setting MAC Address Filtering} + +The device MUST have an empty MAC filtering table on reset. + +The device MUST update the MAC filtering table before it consumes +the VIRTIO_NET_CTRL_MAC_TABLE_SET command. + +The device MUST update \field{mac} in config space before it consumes +the VIRTIO_NET_CTRL_MAC_ADDR_SET command, if VIRTIO_NET_F_MAC_ADDR has +been negotiated. + +The device SHOULD drop incoming packets which have a destination MAC which +matches neither the \field{mac} (or that set with VIRTIO_NET_CTRL_MAC_ADDR_SET) +nor the MAC filtering table. + \drivernormative{\subparagraph}{Setting MAC Address Filtering}{Device Types / Network Device / Device Operation / Control Virtqueue / Setting MAC Address Filtering} A driver MUST NOT write to the \field{mac} if VIRTIO_NET_F_MAC_ADDR is @@ -3387,6 +3402,11 @@ VIRTIO_NET_CTRL_MAC_ADDR_SET command is atomic whereas MUST negotiate VIRTIO_NET_F_MAC_ADDR if they change mac address when device is accepting incoming packets. +The driver MUST follow the VIRTIO_NET_CTRL_MAC_TABLE_SET command +by a le32 number, followed by that number of non-multicast +MAC addresses, followed by another le32 number, followed by +that number of multicast addresses. Either number MAY be 0. + \subparagraph{Legacy Interface: Setting MAC Address Filtering}\label{sec:Device Types / Network Device / Device Operation / Control Virtqueue / Setting MAC Address Filtering / Legacy Interface: Setting MAC Address Filtering} When using the legacy interface, transitional devices and drivers MUST format \field{entries} in struct virtio_net_ctrl_mac |