Was I laid off due to discrimination?

I was asked to call in on a conference line on Wed. and was told over the phone my position was being eliminated. However, I was asked today tocompose a transition plan on an Excel spreadsheet to pass on work to a person I was training. A few issues with the "layoff", this manager and I had issues before she became my manager (worked on same team but only as colleagues). Also,I was told 2 weeks ago that employee private data was printed on a printer downstairs with my ID on the print job. However, the document was from a print job 3 years ago. (HR rep. investigating this issue). Also, I was singled out by my manager's manager for violating company dress code by wearing joggers to work. I reported to same manager that someone else on our team was wearing flip-flops which was also a violation of dress code. She stated she would address the issue, however the same person came in the following week with same flip-flops. I sent email asking if she addressed, was told employee not under her