Re: [RFC net-next v3 6/6] net: phy: nxp-c45-tja11xx: implement mdo_insert_tx_tag
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From: Simon Horman <horms@kernel.org>
Date: 2023-09-07 15:24:30
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On Wed, Sep 06, 2023 at 07:01:34PM +0300, Radu Pirea (NXP OSS) wrote:
Implement mdo_insert_tx_tag to insert the TLV header in the ethernet frame. If extscs parameter is set to 1, then the TLV header will contain the TX SC that will be used to encrypt the frame, otherwise the TX SC will be selected using the MAC source address. Signed-off-by: Radu Pirea (NXP OSS) <redacted> ---
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@@ -166,6 +170,18 @@ #define MACSEC_INPBTS 0x0638 #define MACSEC_IPSNFS 0x063C +#define TJA11XX_TLV_TX_NEEDED_HEADROOM (32) +#define TJA11XX_TLV_NEEDED_TAILROOM (0) + +#define MACSEC_TLV_CP BIT(0) +#define MACSEC_TLV_SC_ID_OFF (2) + +#define ETH_P_TJA11XX_TLV (0x4e58) + +static bool macsec_extscs; +module_param(macsec_extscs, bool, 0); +MODULE_PARM_DESC(macsec_extscs, "Select the TX SC using TLV header information. PTP frames encryption cannot work when this feature is enabled");
Hi Radu, I hate to be the bearer of bad news, but I don't think we can accept new module parameters in Networking code. ...